From 2ccc133281b603401081136e4a0c378134a73a50 Mon Sep 17 00:00:00 2001 From: Marcos Magueta Date: Wed, 21 Jan 2026 17:12:10 -0300 Subject: [PATCH 5/5] Add tests and documentation for XMLSCHEMA feature --- doc/src/sgml/datatype.sgml | 8 +- doc/src/sgml/func/func-xml.sgml | 105 + doc/src/sgml/ref/allfiles.sgml | 3 + doc/src/sgml/ref/alter_xmlschema.sgml | 145 + doc/src/sgml/ref/create_xmlschema.sgml | 184 ++ doc/src/sgml/ref/drop_xmlschema.sgml | 120 + doc/src/sgml/reference.sgml | 3 + src/test/regress/expected/oidjoins.out | 2 + src/test/regress/expected/xml.out | 4063 +++++++++++++----------- src/test/regress/expected/xml_2.out | 313 ++ src/test/regress/pg_regress.c | 2 +- src/test/regress/sql/xml.sql | 274 ++ 12 files changed, 3336 insertions(+), 1886 deletions(-) create mode 100644 doc/src/sgml/ref/alter_xmlschema.sgml create mode 100644 doc/src/sgml/ref/create_xmlschema.sgml create mode 100644 doc/src/sgml/ref/drop_xmlschema.sgml diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml index 3017c674040..ddaf7c4d3d9 100644 --- a/doc/src/sgml/datatype.sgml +++ b/doc/src/sgml/datatype.sgml @@ -4510,8 +4510,11 @@ xml 'bar' against a document type declaration (DTD),DTD even when the input value specifies a DTD. - There is also currently no built-in support for validating against - other XML schema languages such as XML Schema. + However, PostgreSQL provides the + XMLVALIDATE function for validating XML documents + against XML Schema (XSD) documents. See + and + for more information. @@ -4649,6 +4652,7 @@ SET xmloption TO { DOCUMENT | CONTENT }; distribution. + &json; diff --git a/doc/src/sgml/func/func-xml.sgml b/doc/src/sgml/func/func-xml.sgml index 511bc90852a..49cfa409124 100644 --- a/doc/src/sgml/func/func-xml.sgml +++ b/doc/src/sgml/func/func-xml.sgml @@ -1007,6 +1007,111 @@ SELECT xmltable.* 3 | 4 4 | 5 (3 rows) +]]> + + + + + <literal>xmlvalidate</literal> + + + xmlvalidate + + + +XMLVALIDATE ( DOCUMENT xml_value ACCORDING TO XMLSCHEMA schema_name ) xml + + + + The xmlvalidate function validates an XML document + against an XML Schema. The schema must have been previously created using + CREATE XMLSCHEMA. If the XML is valid according to the + schema, the function returns the XML value unchanged. If validation fails, + an error is raised. If xml_value is + NULL, the function returns NULL. + + + + The schema_name argument specifies the name + of an XML schema stored in the database. It can be schema-qualified + (e.g., myschema.person_schema) or unqualified, in + which case it will be searched for in the current schema search path. + The user must have USAGE privilege on the schema. + + + + Examples: + + + + + + + + + + +'; + +SELECT xmlvalidate(DOCUMENT 'John30' + ACCORDING TO XMLSCHEMA person_schema); + + xmlvalidate +--------------------------------------------- + John30 +(1 row) +]]> + + + + This example shows a validation failure due to a missing required element: +John' + ACCORDING TO XMLSCHEMA person_schema); +ERROR: XML validation failed +]]> + + + + Schema-qualified names are supported: + + + + + + + + + + + +'; + +SELECT xmlvalidate(DOCUMENT 'Widget9.99' + ACCORDING TO XMLSCHEMA test_schema.product_schema); + + xmlvalidate +--------------------------------------------------------------- + Widget9.99 +(1 row) +]]> + + + + Since xmlvalidate returns xml, it can + be composed with other XML functions: +Alice25' + ACCORDING TO XMLSCHEMA person_schema) AS text); + + xmlserialize +------------------------------------------ + Alice25 +(1 row) ]]> diff --git a/doc/src/sgml/ref/allfiles.sgml b/doc/src/sgml/ref/allfiles.sgml index e167406c744..87a8e6066e4 100644 --- a/doc/src/sgml/ref/allfiles.sgml +++ b/doc/src/sgml/ref/allfiles.sgml @@ -48,6 +48,7 @@ Complete list of usable sgml source files in this directory. + @@ -100,6 +101,7 @@ Complete list of usable sgml source files in this directory. + @@ -148,6 +150,7 @@ Complete list of usable sgml source files in this directory. + diff --git a/doc/src/sgml/ref/alter_xmlschema.sgml b/doc/src/sgml/ref/alter_xmlschema.sgml new file mode 100644 index 00000000000..6a286ad00fe --- /dev/null +++ b/doc/src/sgml/ref/alter_xmlschema.sgml @@ -0,0 +1,145 @@ + + + + + ALTER XMLSCHEMA + + + + ALTER XMLSCHEMA + 7 + SQL - Language Statements + + + + ALTER XMLSCHEMA + change the definition of an XML schema + + + + +ALTER XMLSCHEMA [ IF EXISTS ] name OWNER TO { new_owner | CURRENT_ROLE | CURRENT_USER | SESSION_USER } +ALTER XMLSCHEMA [ IF EXISTS ] name RENAME TO new_name +ALTER XMLSCHEMA [ IF EXISTS ] name SET SCHEMA new_schema + + + + + Description + + + ALTER XMLSCHEMA changes the definition of an XML schema. + + + + You must own the XML schema to use ALTER XMLSCHEMA. + To change an XML schema's schema, you must also have CREATE + privilege on the new schema. + To alter the owner, you must be able to SET ROLE to the + new owning role, and that role must have CREATE + privilege on the XML schema's schema. + (These restrictions enforce that altering the owner + doesn't do anything you couldn't do by dropping and recreating the XML schema. + However, a superuser can alter ownership of any XML schema anyway.) + + + + + Parameters + + + + name + + + The name (optionally schema-qualified) of an XML schema to be altered. + + + + + + IF EXISTS + + + Do not throw an error if the XML schema does not exist. A notice is issued + in this case. + + + + + + new_owner + + + The user name of the new owner of the XML schema. + + + + + + new_name + + + The new name of the XML schema. + + + + + + new_schema + + + The new schema for the XML schema. + + + + + + + + Examples + + + To rename an XML schema: + +ALTER XMLSCHEMA person_schema RENAME TO people_schema; + + + + + To change the owner of an XML schema: + +ALTER XMLSCHEMA people_schema OWNER TO joe; + + + + + To move an XML schema to another schema: + +ALTER XMLSCHEMA people_schema SET SCHEMA myschema; + + + + + + Compatibility + + + ALTER XMLSCHEMA is a + PostgreSQL extension. + + + + + See Also + + + + + + + + diff --git a/doc/src/sgml/ref/create_xmlschema.sgml b/doc/src/sgml/ref/create_xmlschema.sgml new file mode 100644 index 00000000000..bad38df3468 --- /dev/null +++ b/doc/src/sgml/ref/create_xmlschema.sgml @@ -0,0 +1,184 @@ + + + + + CREATE XMLSCHEMA + + + + CREATE XMLSCHEMA + 7 + SQL - Language Statements + + + + CREATE XMLSCHEMA + define a new XML schema + + + + +CREATE XMLSCHEMA [ IF NOT EXISTS ] name AS schema_definition + + + + + Description + + + CREATE XMLSCHEMA defines a new XML schema in the + current database. The schema definition is an XML Schema Definition (XSD) + document that can be used to validate XML documents using the + XMLVALIDATE function. + + + + If a schema name is given then the XML schema is created in the + specified schema. Otherwise it is created in the current schema. + The XML schema name must be unique within the schema. + + + + After an XML schema is created, you use the + XMLVALIDATE function to validate XML documents + against it. This function is documented in + . + + + + + Parameters + + + + IF NOT EXISTS + + + Do not throw an error if an XML schema with the same name already exists. + A notice is issued in this case. Note that there is no guarantee that + the existing XML schema is similar to the one that would have been created. + + + + + + name + + + The name (optionally schema-qualified) of the XML schema to be created. + + + + + + schema_definition + + + An XML Schema Definition (XSD) document provided as a string literal. + The schema definition must be a valid XSD document conforming to the + W3C XML Schema standard. + + + + + + + + Notes + + + To create an XML schema, you must have CREATE privilege + on the current schema. + + + + Use DROP XMLSCHEMA to remove an XML schema. + + + + See also ALTER XMLSCHEMA + to rename an XML schema or change its owner. + + + + + Examples + + + Create an XML schema for validating person documents: + +CREATE XMLSCHEMA person_schema AS '<?xml version="1.0"?> +<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"> + <xs:element name="person"> + <xs:complexType> + <xs:sequence> + <xs:element name="name" type="xs:string"/> + <xs:element name="age" type="xs:integer"/> + </xs:sequence> + </xs:complexType> + </xs:element> +</xs:schema>'; + + + + + Create an XML schema with a schema-qualified name: + +CREATE SCHEMA myschema; +CREATE XMLSCHEMA myschema.product_schema AS '<?xml version="1.0"?> +<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"> + <xs:element name="product"> + <xs:complexType> + <xs:sequence> + <xs:element name="name" type="xs:string"/> + <xs:element name="price" type="xs:decimal"/> + </xs:sequence> + <xs:attribute name="id" type="xs:string" use="required"/> + </xs:complexType> + </xs:element> +</xs:schema>'; + + + + + Create an XML schema only if it doesn't already exist: + +CREATE XMLSCHEMA IF NOT EXISTS person_schema AS '...'; + + + + + Validate an XML document against the schema: + +SELECT XMLVALIDATE( + DOCUMENT '<person><name>John</name><age>30</age></person>' + ACCORDING TO XMLSCHEMA person_schema +); + + + + + + Compatibility + + + CREATE XMLSCHEMA is a + PostgreSQL extension. There is no + CREATE XMLSCHEMA statement in the SQL standard. + + + + + See Also + + + + + + + + + diff --git a/doc/src/sgml/ref/drop_xmlschema.sgml b/doc/src/sgml/ref/drop_xmlschema.sgml new file mode 100644 index 00000000000..4204f9bc413 --- /dev/null +++ b/doc/src/sgml/ref/drop_xmlschema.sgml @@ -0,0 +1,120 @@ + + + + + DROP XMLSCHEMA + + + + DROP XMLSCHEMA + 7 + SQL - Language Statements + + + + DROP XMLSCHEMA + remove an XML schema + + + + +DROP XMLSCHEMA [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ] + + + + + Description + + + DROP XMLSCHEMA removes XML schemas from the database. + An XML schema can only be dropped by its owner or a superuser. + + + + + Parameters + + + + IF EXISTS + + + Do not throw an error if the XML schema does not exist. A notice is issued + in this case. + + + + + + name + + + The name (optionally schema-qualified) of an XML schema. + + + + + + CASCADE + + + Automatically drop objects that depend on the XML schema, + and in turn all objects that depend on those objects + (see ). + + + + + + RESTRICT + + + Refuse to drop the XML schema if any objects depend on it. This + is the default. + + + + + + + + Examples + + + To remove the XML schema person_schema: + +DROP XMLSCHEMA person_schema; + + + + + To remove an XML schema and all dependent objects: + +DROP XMLSCHEMA person_schema CASCADE; + + + + + + Compatibility + + + DROP XMLSCHEMA is a + PostgreSQL extension. There is no + DROP XMLSCHEMA statement in the SQL standard. + + + + + See Also + + + + + + + + diff --git a/doc/src/sgml/reference.sgml b/doc/src/sgml/reference.sgml index 2cf02c37b17..982bbea3a27 100644 --- a/doc/src/sgml/reference.sgml +++ b/doc/src/sgml/reference.sgml @@ -76,6 +76,7 @@ &alterUser; &alterUserMapping; &alterView; + &alterXmlSchema; &analyze; &begin; &call; @@ -128,6 +129,7 @@ &createUser; &createUserMapping; &createView; + &createXmlSchema; &deallocate; &declare; &delete; @@ -176,6 +178,7 @@ &dropUser; &dropUserMapping; &dropView; + &dropXmlSchema; &end; &execute; &explain; diff --git a/src/test/regress/expected/oidjoins.out b/src/test/regress/expected/oidjoins.out index 215eb899be3..544b3ef31ed 100644 --- a/src/test/regress/expected/oidjoins.out +++ b/src/test/regress/expected/oidjoins.out @@ -239,6 +239,8 @@ NOTICE: checking pg_seclabel {classoid} => pg_class {oid} NOTICE: checking pg_shseclabel {classoid} => pg_class {oid} NOTICE: checking pg_collation {collnamespace} => pg_namespace {oid} NOTICE: checking pg_collation {collowner} => pg_authid {oid} +NOTICE: checking pg_xmlschema {schemanamespace} => pg_namespace {oid} +NOTICE: checking pg_xmlschema {schemaowner} => pg_authid {oid} NOTICE: checking pg_partitioned_table {partrelid} => pg_class {oid} NOTICE: checking pg_partitioned_table {partdefid} => pg_class {oid} NOTICE: checking pg_partitioned_table {partclass} => pg_opclass {oid} diff --git a/src/test/regress/expected/xml.out b/src/test/regress/expected/xml.out index 103a22a3b1d..3aabd97d61b 100644 --- a/src/test/regress/expected/xml.out +++ b/src/test/regress/expected/xml.out @@ -1,1883 +1,2180 @@ -CREATE TABLE xmltest ( - id int, - data xml -); -INSERT INTO xmltest VALUES (1, 'one'); -INSERT INTO xmltest VALUES (2, 'two'); -INSERT INTO xmltest VALUES (3, 'one - 2 | two -(2 rows) - --- test non-throwing API, too -SELECT pg_input_is_valid('one', 'xml'); - pg_input_is_valid -------------------- - t -(1 row) - -SELECT pg_input_is_valid('oneone', 'xml'); - pg_input_is_valid -------------------- - f -(1 row) - -SELECT message FROM pg_input_error_info('', 'xml'); - message ----------------------------------------------- - invalid XML content: invalid XML declaration -(1 row) - -SELECT xmlcomment('test'); - xmlcomment -------------- - -(1 row) - -SELECT xmlcomment('-test'); - xmlcomment --------------- - -(1 row) - -SELECT xmlcomment('test-'); -ERROR: invalid XML comment -SELECT xmlcomment('--test'); -ERROR: invalid XML comment -SELECT xmlcomment('te st'); - xmlcomment --------------- - -(1 row) - -SELECT xmlconcat(xmlcomment('hello'), - xmlelement(NAME qux, 'foo'), - xmlcomment('world')); - xmlconcat ----------------------------------------- - foo -(1 row) - -SELECT xmlconcat('hello', 'you'); - xmlconcat ------------ - helloyou -(1 row) - -SELECT xmlconcat(1, 2); -ERROR: argument of XMLCONCAT must be type xml, not type integer -LINE 1: SELECT xmlconcat(1, 2); - ^ -SELECT xmlconcat('bad', '', NULL, ''); - xmlconcat --------------- - -(1 row) - -SELECT xmlconcat('', NULL, ''); - xmlconcat ------------------------------------ - -(1 row) - -SELECT xmlconcat(NULL); - xmlconcat ------------ - -(1 row) - -SELECT xmlconcat(NULL, NULL); - xmlconcat ------------ - -(1 row) - -SELECT xmlelement(name element, - xmlattributes (1 as one, 'deuce' as two), - 'content'); - xmlelement ------------------------------------------------- - content -(1 row) - -SELECT xmlelement(name element, - xmlattributes ('unnamed and wrong')); -ERROR: unnamed XML attribute value must be a column reference -LINE 2: xmlattributes ('unnamed and wrong')); - ^ -SELECT xmlelement(name element, xmlelement(name nested, 'stuff')); - xmlelement -------------------------------------------- - stuff -(1 row) - -SELECT xmlelement(name employee, xmlforest(name, age, salary as pay)) FROM emp; - xmlelement ----------------------------------------------------------------------- - sharon251000 - sam302000 - bill201000 - jeff23600 - cim30400 - linda19100 -(6 rows) - -SELECT xmlelement(name duplicate, xmlattributes(1 as a, 2 as b, 3 as a)); -ERROR: XML attribute name "a" appears more than once -LINE 1: ...ment(name duplicate, xmlattributes(1 as a, 2 as b, 3 as a)); - ^ -SELECT xmlelement(name num, 37); - xmlelement ---------------- - 37 -(1 row) - -SELECT xmlelement(name foo, text 'bar'); - xmlelement ----------------- - bar -(1 row) - -SELECT xmlelement(name foo, xml 'bar'); - xmlelement ----------------- - bar -(1 row) - -SELECT xmlelement(name foo, text 'br'); - xmlelement -------------------------- - b<a/>r -(1 row) - -SELECT xmlelement(name foo, xml 'br'); - xmlelement -------------------- - br -(1 row) - -SELECT xmlelement(name foo, array[1, 2, 3]); - xmlelement -------------------------------------------------------------------------- - 123 -(1 row) - -SET xmlbinary TO base64; -SELECT xmlelement(name foo, bytea 'bar'); - xmlelement ------------------ - YmFy -(1 row) - -SET xmlbinary TO hex; -SELECT xmlelement(name foo, bytea 'bar'); - xmlelement -------------------- - 626172 -(1 row) - -SELECT xmlelement(name foo, xmlattributes(true as bar)); - xmlelement -------------------- - -(1 row) - -SELECT xmlelement(name foo, xmlattributes('2009-04-09 00:24:37'::timestamp as bar)); - xmlelement ----------------------------------- - -(1 row) - -SELECT xmlelement(name foo, xmlattributes('infinity'::timestamp as bar)); -ERROR: timestamp out of range -DETAIL: XML does not support infinite timestamp values. -SELECT xmlelement(name foo, xmlattributes('<>&"''' as funny, xml 'br' as funnier)); - xmlelement ------------------------------------------------------------- - -(1 row) - -SELECT xmlparse(content ''); - xmlparse ----------- - -(1 row) - -SELECT xmlparse(content ' '); - xmlparse ----------- - -(1 row) - -SELECT xmlparse(content 'abc'); - xmlparse ----------- - abc -(1 row) - -SELECT xmlparse(content 'x'); - xmlparse --------------- - x -(1 row) - -SELECT xmlparse(content '&'); -ERROR: invalid XML content -DETAIL: line 1: xmlParseEntityRef: no name -& - ^ -SELECT xmlparse(content '&idontexist;'); -ERROR: invalid XML content -DETAIL: line 1: Entity 'idontexist' not defined -&idontexist; - ^ -SELECT xmlparse(content ''); - xmlparse ---------------------------- - -(1 row) - -SELECT xmlparse(content ''); - xmlparse --------------------------------- - -(1 row) - -SELECT xmlparse(content '&idontexist;'); -ERROR: invalid XML content -DETAIL: line 1: Entity 'idontexist' not defined -&idontexist; - ^ -line 1: Opening and ending tag mismatch: twoerrors line 1 and unbalanced -&idontexist; - ^ -SELECT xmlparse(content ''); - xmlparse ---------------------- - -(1 row) - -SELECT xmlparse(document ' '); -ERROR: invalid XML document -DETAIL: line 1: Start tag expected, '<' not found - - ^ -SELECT xmlparse(document 'abc'); -ERROR: invalid XML document -DETAIL: line 1: Start tag expected, '<' not found -abc -^ -SELECT xmlparse(document 'x'); - xmlparse --------------- - x -(1 row) - -SELECT xmlparse(document '&'); -ERROR: invalid XML document -DETAIL: line 1: xmlParseEntityRef: no name -& - ^ -line 1: Opening and ending tag mismatch: invalidentity line 1 and abc -& - ^ -SELECT xmlparse(document '&idontexist;'); -ERROR: invalid XML document -DETAIL: line 1: Entity 'idontexist' not defined -&idontexist; - ^ -line 1: Opening and ending tag mismatch: undefinedentity line 1 and abc -&idontexist; - ^ -SELECT xmlparse(document ''); - xmlparse ---------------------------- - -(1 row) - -SELECT xmlparse(document ''); - xmlparse --------------------------------- - -(1 row) - -SELECT xmlparse(document '&idontexist;'); -ERROR: invalid XML document -DETAIL: line 1: Entity 'idontexist' not defined -&idontexist; - ^ -line 1: Opening and ending tag mismatch: twoerrors line 1 and unbalanced -&idontexist; - ^ -SELECT xmlparse(document ''); - xmlparse ---------------------- - -(1 row) - -SELECT xmlpi(name foo); - xmlpi ---------- - -(1 row) - -SELECT xmlpi(name xml); -ERROR: invalid XML processing instruction -DETAIL: XML processing instruction target name cannot be "xml". -SELECT xmlpi(name xmlstuff); - xmlpi --------------- - -(1 row) - -SELECT xmlpi(name foo, 'bar'); - xmlpi -------------- - -(1 row) - -SELECT xmlpi(name foo, 'in?>valid'); -ERROR: invalid XML processing instruction -DETAIL: XML processing instruction cannot contain "?>". -SELECT xmlpi(name foo, null); - xmlpi -------- - -(1 row) - -SELECT xmlpi(name xml, null); -ERROR: invalid XML processing instruction -DETAIL: XML processing instruction target name cannot be "xml". -SELECT xmlpi(name xmlstuff, null); - xmlpi -------- - -(1 row) - -SELECT xmlpi(name "xml-stylesheet", 'href="mystyle.css" type="text/css"'); - xmlpi -------------------------------------------------------- - -(1 row) - -SELECT xmlpi(name foo, ' bar'); - xmlpi -------------- - -(1 row) - -SELECT xmlroot(xml '', version no value, standalone no value); - xmlroot ---------- - -(1 row) - -SELECT xmlroot(xml '', version '2.0'); - xmlroot ------------------------------ - -(1 row) - -SELECT xmlroot(xml '', version no value, standalone yes); - xmlroot ----------------------------------------------- - -(1 row) - -SELECT xmlroot(xml '', version no value, standalone yes); - xmlroot ----------------------------------------------- - -(1 row) - -SELECT xmlroot(xmlroot(xml '', version '1.0'), version '1.1', standalone no); - xmlroot ---------------------------------------------- - -(1 row) - -SELECT xmlroot('', version no value, standalone no); - xmlroot ---------------------------------------------- - -(1 row) - -SELECT xmlroot('', version no value, standalone no value); - xmlroot ---------- - -(1 row) - -SELECT xmlroot('', version no value); - xmlroot ----------------------------------------------- - -(1 row) - -SELECT xmlroot ( - xmlelement ( - name gazonk, - xmlattributes ( - 'val' AS name, - 1 + 1 AS num - ), - xmlelement ( - NAME qux, - 'foo' - ) - ), - version '1.0', - standalone yes -); - xmlroot ------------------------------------------------------------------------------------------- - foo -(1 row) - -SELECT xmlserialize(content data as character varying(20)) FROM xmltest; - xmlserialize --------------------- - one - two -(2 rows) - -SELECT xmlserialize(content 'good' as char(10)); - xmlserialize --------------- - good -(1 row) - -SELECT xmlserialize(document 'bad' as text); -ERROR: not an XML document --- indent -SELECT xmlserialize(DOCUMENT '42' AS text INDENT); - xmlserialize -------------------------- - + - + - 42+ - + - -(1 row) - -SELECT xmlserialize(CONTENT '42' AS text INDENT); - xmlserialize -------------------------- - + - + - 42+ - + - -(1 row) - --- no indent -SELECT xmlserialize(DOCUMENT '42' AS text NO INDENT); - xmlserialize -------------------------------------------- - 42 -(1 row) - -SELECT xmlserialize(CONTENT '42' AS text NO INDENT); - xmlserialize -------------------------------------------- - 42 -(1 row) - --- indent non singly-rooted xml -SELECT xmlserialize(DOCUMENT '7342' AS text INDENT); -ERROR: not an XML document -SELECT xmlserialize(CONTENT '7342' AS text INDENT); - xmlserialize ------------------------ - 73 + - + - 42+ - -(1 row) - --- indent non singly-rooted xml with mixed contents -SELECT xmlserialize(DOCUMENT 'text node73text node42' AS text INDENT); -ERROR: not an XML document -SELECT xmlserialize(CONTENT 'text node73text node42' AS text INDENT); - xmlserialize ------------------------- - text node + - 73text node+ - + - 42 + - -(1 row) - --- indent singly-rooted xml with mixed contents -SELECT xmlserialize(DOCUMENT '42text node73' AS text INDENT); - xmlserialize ---------------------------------------------- - + - + - 42 + - text node73+ - + - -(1 row) - -SELECT xmlserialize(CONTENT '42text node73' AS text INDENT); - xmlserialize ---------------------------------------------- - + - + - 42 + - text node73+ - + - -(1 row) - --- indent empty string -SELECT xmlserialize(DOCUMENT '' AS text INDENT); -ERROR: not an XML document -SELECT xmlserialize(CONTENT '' AS text INDENT); - xmlserialize --------------- - -(1 row) - --- whitespaces -SELECT xmlserialize(DOCUMENT ' ' AS text INDENT); -ERROR: not an XML document -SELECT xmlserialize(CONTENT ' ' AS text INDENT); - xmlserialize --------------- - -(1 row) - --- indent null -SELECT xmlserialize(DOCUMENT NULL AS text INDENT); - xmlserialize --------------- - -(1 row) - -SELECT xmlserialize(CONTENT NULL AS text INDENT); - xmlserialize --------------- - -(1 row) - --- indent with XML declaration -SELECT xmlserialize(DOCUMENT '73' AS text INDENT); - xmlserialize ----------------------------------------- - + - + - + - 73 + - + - -(1 row) - -SELECT xmlserialize(CONTENT '73' AS text INDENT); - xmlserialize -------------------- - + - + - 73+ - + - -(1 row) - --- indent containing DOCTYPE declaration -SELECT xmlserialize(DOCUMENT '' AS text INDENT); - xmlserialize --------------- - + - -(1 row) - -SELECT xmlserialize(CONTENT '' AS text INDENT); - xmlserialize --------------- - + - + - -(1 row) - --- indent xml with empty element -SELECT xmlserialize(DOCUMENT '' AS text INDENT); - xmlserialize --------------- - + - + - -(1 row) - -SELECT xmlserialize(CONTENT '' AS text INDENT); - xmlserialize --------------- - + - + - -(1 row) - --- 'no indent' = not using 'no indent' -SELECT xmlserialize(DOCUMENT '42' AS text) = xmlserialize(DOCUMENT '42' AS text NO INDENT); - ?column? ----------- - t -(1 row) - -SELECT xmlserialize(CONTENT '42' AS text) = xmlserialize(CONTENT '42' AS text NO INDENT); - ?column? ----------- - t -(1 row) - --- indent xml strings containing blank nodes -SELECT xmlserialize(DOCUMENT ' ' AS text INDENT); - xmlserialize --------------- - + - + - -(1 row) - -SELECT xmlserialize(CONTENT 'text node ' AS text INDENT); - xmlserialize --------------- - text node + - + - + - -(1 row) - -SELECT xml 'bar' IS DOCUMENT; - ?column? ----------- - t -(1 row) - -SELECT xml 'barfoo' IS DOCUMENT; - ?column? ----------- - f -(1 row) - -SELECT xml '' IS NOT DOCUMENT; - ?column? ----------- - f -(1 row) - -SELECT xml 'abc' IS NOT DOCUMENT; - ?column? ----------- - t -(1 row) - -SELECT '<>' IS NOT DOCUMENT; -ERROR: invalid XML content -LINE 1: SELECT '<>' IS NOT DOCUMENT; - ^ -DETAIL: line 1: StartTag: invalid element name -<> - ^ -SELECT xmlagg(data) FROM xmltest; - xmlagg --------------------------------------- - onetwo -(1 row) - -SELECT xmlagg(data) FROM xmltest WHERE id > 10; - xmlagg --------- - -(1 row) - -SELECT xmlelement(name employees, xmlagg(xmlelement(name name, name))) FROM emp; - xmlelement --------------------------------------------------------------------------------------------------------------------------------- - sharonsambilljeffcimlinda -(1 row) - --- Check mapping SQL identifier to XML name -SELECT xmlpi(name ":::_xml_abc135.%-&_"); - xmlpi -------------------------------------------------- - -(1 row) - -SELECT xmlpi(name "123"); - xmlpi ---------------- - -(1 row) - -PREPARE foo (xml) AS SELECT xmlconcat('', $1); -SET XML OPTION DOCUMENT; -EXECUTE foo (''); - xmlconcat --------------- - -(1 row) - -EXECUTE foo ('bad'); -ERROR: invalid XML document -LINE 1: EXECUTE foo ('bad'); - ^ -DETAIL: line 1: Start tag expected, '<' not found -bad -^ -SELECT xml ''; -ERROR: invalid XML document -LINE 1: SELECT xml ''; - ^ -DETAIL: line 1: Extra content at the end of the document - - ^ -SET XML OPTION CONTENT; -EXECUTE foo (''); - xmlconcat --------------- - -(1 row) - -EXECUTE foo ('good'); - xmlconcat ------------- - good -(1 row) - -SELECT xml ' '; - xml --------------------------------------------------------------------- - -(1 row) - -SELECT xml ' '; - xml ------------------------------- - -(1 row) - -SELECT xml ''; - xml ------------------- - -(1 row) - -SELECT xml ' oops '; -ERROR: invalid XML content -LINE 1: SELECT xml ' oops '; - ^ -DETAIL: line 1: StartTag: invalid element name - oops - ^ -SELECT xml ' '; -ERROR: invalid XML content -LINE 1: SELECT xml ' '; - ^ -DETAIL: line 1: StartTag: invalid element name - - ^ -SELECT xml ''; -ERROR: invalid XML content -LINE 1: SELECT xml ''; - ^ -DETAIL: line 1: Extra content at the end of the document - - ^ --- Test backwards parsing -CREATE VIEW xmlview1 AS SELECT xmlcomment('test'); -CREATE VIEW xmlview2 AS SELECT xmlconcat('hello', 'you'); -CREATE VIEW xmlview3 AS SELECT xmlelement(name element, xmlattributes (1 as ":one:", 'deuce' as two), 'content&'); -CREATE VIEW xmlview4 AS SELECT xmlelement(name employee, xmlforest(name, age, salary as pay)) FROM emp; -CREATE VIEW xmlview5 AS SELECT xmlparse(content 'x'); -CREATE VIEW xmlview6 AS SELECT xmlpi(name foo, 'bar'); -CREATE VIEW xmlview7 AS SELECT xmlroot(xml '', version no value, standalone yes); -CREATE VIEW xmlview8 AS SELECT xmlserialize(content 'good' as char(10)); -CREATE VIEW xmlview9 AS SELECT xmlserialize(content 'good' as text); -CREATE VIEW xmlview10 AS SELECT xmlserialize(document '42' AS text indent); -CREATE VIEW xmlview11 AS SELECT xmlserialize(document '42' AS character varying no indent); -SELECT table_name, view_definition FROM information_schema.views - WHERE table_name LIKE 'xmlview%' ORDER BY 1; - table_name | view_definition -------------+--------------------------------------------------------------------------------------------------------------------------------------- - xmlview1 | SELECT xmlcomment('test'::text) AS xmlcomment; - xmlview10 | SELECT XMLSERIALIZE(DOCUMENT '42'::xml AS text INDENT) AS "xmlserialize"; - xmlview11 | SELECT (XMLSERIALIZE(DOCUMENT '42'::xml AS character varying NO INDENT))::character varying AS "xmlserialize"; - xmlview2 | SELECT XMLCONCAT('hello'::xml, 'you'::xml) AS "xmlconcat"; - xmlview3 | SELECT XMLELEMENT(NAME element, XMLATTRIBUTES(1 AS ":one:", 'deuce' AS two), 'content&') AS "xmlelement"; - xmlview4 | SELECT XMLELEMENT(NAME employee, XMLFOREST(name AS name, age AS age, salary AS pay)) AS "xmlelement" + - | FROM emp; - xmlview5 | SELECT XMLPARSE(CONTENT 'x'::text STRIP WHITESPACE) AS "xmlparse"; - xmlview6 | SELECT XMLPI(NAME foo, 'bar'::text) AS "xmlpi"; - xmlview7 | SELECT XMLROOT(''::xml, VERSION NO VALUE, STANDALONE YES) AS "xmlroot"; - xmlview8 | SELECT (XMLSERIALIZE(CONTENT 'good'::xml AS character(10) NO INDENT))::character(10) AS "xmlserialize"; - xmlview9 | SELECT XMLSERIALIZE(CONTENT 'good'::xml AS text NO INDENT) AS "xmlserialize"; -(11 rows) - --- Text XPath expressions evaluation -SELECT xpath('/value', data) FROM xmltest; - xpath ----------------------- - {one} - {two} -(2 rows) - -SELECT xpath(NULL, NULL) IS NULL FROM xmltest; - ?column? ----------- - t - t -(2 rows) - -SELECT xpath('', ''); -ERROR: empty XPath expression -CONTEXT: SQL function "xpath" statement 1 -SELECT xpath('//text()', 'number one'); - xpath ----------------- - {"number one"} -(1 row) - -SELECT xpath('//loc:piece/@id', 'number one', ARRAY[ARRAY['loc', 'http://127.0.0.1']]); - xpath -------- - {1,2} -(1 row) - -SELECT xpath('//loc:piece', 'number one', ARRAY[ARRAY['loc', 'http://127.0.0.1']]); - xpath ------------------------------------------------------------------------------------------------------------------------------------------------- - {"number one",""} -(1 row) - -SELECT xpath('//loc:piece', 'number one', ARRAY[ARRAY['loc', 'http://127.0.0.1']]); - xpath ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - {"number one",""} -(1 row) - -SELECT xpath('//b', 'one two three etc'); - xpath -------------------------- - {two,etc} -(1 row) - -SELECT xpath('//text()', '<'); - xpath --------- - {<} -(1 row) - -SELECT xpath('//@value', ''); - xpath --------- - {<} -(1 row) - -SELECT xpath('''<>''', ''); - xpath ---------------------------- - {<<invalid>>} -(1 row) - -SELECT xpath('count(//*)', ''); - xpath -------- - {3} -(1 row) - -SELECT xpath('count(//*)=0', ''); - xpath ---------- - {false} -(1 row) - -SELECT xpath('count(//*)=3', ''); - xpath --------- - {true} -(1 row) - -SELECT xpath('name(/*)', ''); - xpath --------- - {root} -(1 row) - -SELECT xpath('/nosuchtag', ''); - xpath -------- - {} -(1 row) - -SELECT xpath('root', ''); - xpath ------------ - {} -(1 row) - --- Round-trip non-ASCII data through xpath(). -DO $$ -DECLARE - xml_declaration text := ''; - degree_symbol text; - res xml[]; -BEGIN - -- Per the documentation, except when the server encoding is UTF8, xpath() - -- may not work on non-ASCII data. The untranslatable_character and - -- undefined_function traps below, currently dead code, will become relevant - -- if we remove this limitation. - IF current_setting('server_encoding') <> 'UTF8' THEN - RAISE LOG 'skip: encoding % unsupported for xpath', - current_setting('server_encoding'); - RETURN; - END IF; - - degree_symbol := convert_from('\xc2b0', 'UTF8'); - res := xpath('text()', (xml_declaration || - '' || degree_symbol || '')::xml); - IF degree_symbol <> res[1]::text THEN - RAISE 'expected % (%), got % (%)', - degree_symbol, convert_to(degree_symbol, 'UTF8'), - res[1], convert_to(res[1]::text, 'UTF8'); - END IF; -EXCEPTION - -- character with byte sequence 0xc2 0xb0 in encoding "UTF8" has no equivalent in encoding "LATIN8" - WHEN untranslatable_character - -- default conversion function for encoding "UTF8" to "MULE_INTERNAL" does not exist - OR undefined_function - -- unsupported XML feature - OR feature_not_supported THEN - RAISE LOG 'skip: %', SQLERRM; -END -$$; --- Test xmlexists and xpath_exists -SELECT xmlexists('//town[text() = ''Toronto'']' PASSING BY REF 'Bidford-on-AvonCwmbranBristol'); - xmlexists ------------ - f -(1 row) - -SELECT xmlexists('//town[text() = ''Cwmbran'']' PASSING BY REF 'Bidford-on-AvonCwmbranBristol'); - xmlexists ------------ - t -(1 row) - -SELECT xmlexists('count(/nosuchtag)' PASSING BY REF ''); - xmlexists ------------ - t -(1 row) - -SELECT xpath_exists('//town[text() = ''Toronto'']','Bidford-on-AvonCwmbranBristol'::xml); - xpath_exists --------------- - f -(1 row) - -SELECT xpath_exists('//town[text() = ''Cwmbran'']','Bidford-on-AvonCwmbranBristol'::xml); - xpath_exists --------------- - t -(1 row) - -SELECT xpath_exists('count(/nosuchtag)', ''::xml); - xpath_exists --------------- - t -(1 row) - -INSERT INTO xmltest VALUES (4, 'BudvarfreeCarlinglots'::xml); -INSERT INTO xmltest VALUES (5, 'MolsonfreeCarlinglots'::xml); -INSERT INTO xmltest VALUES (6, 'BudvarfreeCarlinglots'::xml); -INSERT INTO xmltest VALUES (7, 'MolsonfreeCarlinglots'::xml); -SELECT COUNT(id) FROM xmltest WHERE xmlexists('/menu/beer' PASSING data); - count -------- - 0 -(1 row) - -SELECT COUNT(id) FROM xmltest WHERE xmlexists('/menu/beer' PASSING BY REF data BY REF); - count -------- - 0 -(1 row) - -SELECT COUNT(id) FROM xmltest WHERE xmlexists('/menu/beers' PASSING BY REF data); - count -------- - 2 -(1 row) - -SELECT COUNT(id) FROM xmltest WHERE xmlexists('/menu/beers/name[text() = ''Molson'']' PASSING BY REF data); - count -------- - 1 -(1 row) - -SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/menu/beer',data); - count -------- - 0 -(1 row) - -SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/menu/beers',data); - count -------- - 2 -(1 row) - -SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/menu/beers/name[text() = ''Molson'']',data); - count -------- - 1 -(1 row) - -SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/myns:menu/myns:beer',data,ARRAY[ARRAY['myns','http://myns.com']]); - count -------- - 0 -(1 row) - -SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/myns:menu/myns:beers',data,ARRAY[ARRAY['myns','http://myns.com']]); - count -------- - 2 -(1 row) - -SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/myns:menu/myns:beers/myns:name[text() = ''Molson'']',data,ARRAY[ARRAY['myns','http://myns.com']]); - count -------- - 1 -(1 row) - -CREATE TABLE query ( expr TEXT ); -INSERT INTO query VALUES ('/menu/beers/cost[text() = ''lots'']'); -SELECT COUNT(id) FROM xmltest, query WHERE xmlexists(expr PASSING BY REF data); - count -------- - 2 -(1 row) - --- Test xml_is_well_formed and variants -SELECT xml_is_well_formed_document('bar'); - xml_is_well_formed_document ------------------------------ - t -(1 row) - -SELECT xml_is_well_formed_document('abc'); - xml_is_well_formed_document ------------------------------ - f -(1 row) - -SELECT xml_is_well_formed_content('bar'); - xml_is_well_formed_content ----------------------------- - t -(1 row) - -SELECT xml_is_well_formed_content('abc'); - xml_is_well_formed_content ----------------------------- - t -(1 row) - -SET xmloption TO DOCUMENT; -SELECT xml_is_well_formed('abc'); - xml_is_well_formed --------------------- - f -(1 row) - -SELECT xml_is_well_formed('<>'); - xml_is_well_formed --------------------- - f -(1 row) - -SELECT xml_is_well_formed(''); - xml_is_well_formed --------------------- - t -(1 row) - -SELECT xml_is_well_formed('bar'); - xml_is_well_formed --------------------- - t -(1 row) - -SELECT xml_is_well_formed('barbaz'); - xml_is_well_formed --------------------- - f -(1 row) - -SELECT xml_is_well_formed('number one'); - xml_is_well_formed --------------------- - t -(1 row) - -SELECT xml_is_well_formed('bar'); - xml_is_well_formed --------------------- - f -(1 row) - -SELECT xml_is_well_formed('bar'); - xml_is_well_formed --------------------- - t -(1 row) - -SELECT xml_is_well_formed('&'); - xml_is_well_formed --------------------- - f -(1 row) - -SELECT xml_is_well_formed('&idontexist;'); - xml_is_well_formed --------------------- - f -(1 row) - -SELECT xml_is_well_formed(''); - xml_is_well_formed --------------------- - t -(1 row) - -SELECT xml_is_well_formed(''); - xml_is_well_formed --------------------- - t -(1 row) - -SELECT xml_is_well_formed('&idontexist;'); - xml_is_well_formed --------------------- - f -(1 row) - -SET xmloption TO CONTENT; -SELECT xml_is_well_formed('abc'); - xml_is_well_formed --------------------- - t -(1 row) - --- Since xpath() deals with namespaces, it's a bit stricter about --- what's well-formed and what's not. If we don't obey these rules --- (i.e. ignore namespace-related errors from libxml), xpath() --- fails in subtle ways. The following would for example produce --- the xml value --- --- which is invalid because '<' may not appear un-escaped in --- attribute values. --- Since different libxml versions emit slightly different --- error messages, we suppress the DETAIL in this test. -\set VERBOSITY terse -SELECT xpath('/*', ''); -ERROR: could not parse XML document -\set VERBOSITY default --- Again, the XML isn't well-formed for namespace purposes -SELECT xpath('/*', ''); -ERROR: could not parse XML document -DETAIL: line 1: Namespace prefix nosuchprefix on tag is not defined - - ^ -CONTEXT: SQL function "xpath" statement 1 --- XPath deprecates relative namespaces, but they're not supposed to --- throw an error, only a warning. -SELECT xpath('/*', ''); -WARNING: line 1: xmlns: URI relative is not absolute - - ^ - xpath --------------------------------------- - {""} -(1 row) - --- External entity references should not leak filesystem information. -SELECT XMLPARSE(DOCUMENT ']>&c;'); - xmlparse ------------------------------------------------------------------ - ]>&c; -(1 row) - -SELECT XMLPARSE(DOCUMENT ']>&c;'); - xmlparse ------------------------------------------------------------------------ - ]>&c; -(1 row) - --- This might or might not load the requested DTD, but it mustn't throw error. -SELECT XMLPARSE(DOCUMENT ' '); - xmlparse ------------------------------------------------------------------------------------------------------------------------------------------------------- -   -(1 row) - --- XMLPATH tests -CREATE TABLE xmldata(data xml); -INSERT INTO xmldata VALUES(' - - AU - Australia - 3 - - - CN - China - 3 - - - HK - HongKong - 3 - - - IN - India - 3 - - - JP - Japan - 3Sinzo Abe - - - SG - Singapore - 3791 - -'); --- XMLTABLE with columns -SELECT xmltable.* - FROM (SELECT data FROM xmldata) x, - LATERAL XMLTABLE('/ROWS/ROW' - PASSING data - COLUMNS id int PATH '@id', - _id FOR ORDINALITY, - country_name text PATH 'COUNTRY_NAME/text()' NOT NULL, - country_id text PATH 'COUNTRY_ID', - region_id int PATH 'REGION_ID', - size float PATH 'SIZE', - unit text PATH 'SIZE/@unit', - premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); - id | _id | country_name | country_id | region_id | size | unit | premier_name -----+-----+--------------+------------+-----------+------+------+--------------- - 1 | 1 | Australia | AU | 3 | | | not specified - 2 | 2 | China | CN | 3 | | | not specified - 3 | 3 | HongKong | HK | 3 | | | not specified - 4 | 4 | India | IN | 3 | | | not specified - 5 | 5 | Japan | JP | 3 | | | Sinzo Abe - 6 | 6 | Singapore | SG | 3 | 791 | km | not specified -(6 rows) - -CREATE VIEW xmltableview1 AS SELECT xmltable.* - FROM (SELECT data FROM xmldata) x, - LATERAL XMLTABLE('/ROWS/ROW' - PASSING data - COLUMNS id int PATH '@id', - _id FOR ORDINALITY, - country_name text PATH 'COUNTRY_NAME/text()' NOT NULL, - country_id text PATH 'COUNTRY_ID', - region_id int PATH 'REGION_ID', - size float PATH 'SIZE', - unit text PATH 'SIZE/@unit', - premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); -SELECT * FROM xmltableview1; - id | _id | country_name | country_id | region_id | size | unit | premier_name -----+-----+--------------+------------+-----------+------+------+--------------- - 1 | 1 | Australia | AU | 3 | | | not specified - 2 | 2 | China | CN | 3 | | | not specified - 3 | 3 | HongKong | HK | 3 | | | not specified - 4 | 4 | India | IN | 3 | | | not specified - 5 | 5 | Japan | JP | 3 | | | Sinzo Abe - 6 | 6 | Singapore | SG | 3 | 791 | km | not specified -(6 rows) - -\sv xmltableview1 -CREATE OR REPLACE VIEW public.xmltableview1 AS - SELECT "xmltable".id, - "xmltable"._id, - "xmltable".country_name, - "xmltable".country_id, - "xmltable".region_id, - "xmltable".size, - "xmltable".unit, - "xmltable".premier_name - FROM ( SELECT xmldata.data - FROM xmldata) x, - LATERAL XMLTABLE(('/ROWS/ROW'::text) PASSING (x.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME/text()'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text)) -EXPLAIN (COSTS OFF) SELECT * FROM xmltableview1; - QUERY PLAN ------------------------------------------ - Nested Loop - -> Seq Scan on xmldata - -> Table Function Scan on "xmltable" -(3 rows) - -EXPLAIN (COSTS OFF, VERBOSE) SELECT * FROM xmltableview1; - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - Nested Loop - Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name - -> Seq Scan on public.xmldata - Output: xmldata.data - -> Table Function Scan on "xmltable" - Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name - Table Function Call: XMLTABLE(('/ROWS/ROW'::text) PASSING (xmldata.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME/text()'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text)) -(7 rows) - --- errors -SELECT * FROM XMLTABLE (ROW () PASSING null COLUMNS v1 timestamp) AS f (v1, v2); -ERROR: XMLTABLE function has 1 columns available but 2 columns specified -SELECT * FROM XMLTABLE (ROW () PASSING null COLUMNS v1 timestamp __pg__is_not_null 1) AS f (v1); -ERROR: option name "__pg__is_not_null" cannot be used in XMLTABLE -LINE 1: ...MLTABLE (ROW () PASSING null COLUMNS v1 timestamp __pg__is_n... - ^ --- XMLNAMESPACES tests -SELECT * FROM XMLTABLE(XMLNAMESPACES('http://x.y' AS zz), - '/zz:rows/zz:row' - PASSING '10' - COLUMNS a int PATH 'zz:a'); - a ----- - 10 -(1 row) - -CREATE VIEW xmltableview2 AS SELECT * FROM XMLTABLE(XMLNAMESPACES('http://x.y' AS "Zz"), - '/Zz:rows/Zz:row' - PASSING '10' - COLUMNS a int PATH 'Zz:a'); -SELECT * FROM xmltableview2; - a ----- - 10 -(1 row) - -\sv xmltableview2 -CREATE OR REPLACE VIEW public.xmltableview2 AS - SELECT a - FROM XMLTABLE(XMLNAMESPACES ('http://x.y'::text AS "Zz"), ('/Zz:rows/Zz:row'::text) PASSING ('10'::xml) COLUMNS a integer PATH ('Zz:a'::text)) -SELECT * FROM XMLTABLE(XMLNAMESPACES(DEFAULT 'http://x.y'), - '/rows/row' - PASSING '10' - COLUMNS a int PATH 'a'); -ERROR: DEFAULT namespace is not supported -SELECT * FROM XMLTABLE('.' - PASSING '' - COLUMNS a text PATH 'foo/namespace::node()'); - a --------------------------------------- - http://www.w3.org/XML/1998/namespace -(1 row) - --- used in prepare statements -PREPARE pp AS -SELECT xmltable.* - FROM (SELECT data FROM xmldata) x, - LATERAL XMLTABLE('/ROWS/ROW' - PASSING data - COLUMNS id int PATH '@id', - _id FOR ORDINALITY, - country_name text PATH 'COUNTRY_NAME' NOT NULL, - country_id text PATH 'COUNTRY_ID', - region_id int PATH 'REGION_ID', - size float PATH 'SIZE', - unit text PATH 'SIZE/@unit', - premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); -EXECUTE pp; - id | _id | country_name | country_id | region_id | size | unit | premier_name -----+-----+--------------+------------+-----------+------+------+--------------- - 1 | 1 | Australia | AU | 3 | | | not specified - 2 | 2 | China | CN | 3 | | | not specified - 3 | 3 | HongKong | HK | 3 | | | not specified - 4 | 4 | India | IN | 3 | | | not specified - 5 | 5 | Japan | JP | 3 | | | Sinzo Abe - 6 | 6 | Singapore | SG | 3 | 791 | km | not specified -(6 rows) - -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int); - COUNTRY_NAME | REGION_ID ---------------+----------- - India | 3 - Japan | 3 -(2 rows) - -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id FOR ORDINALITY, "COUNTRY_NAME" text, "REGION_ID" int); - id | COUNTRY_NAME | REGION_ID -----+--------------+----------- - 1 | India | 3 - 2 | Japan | 3 -(2 rows) - -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id', "COUNTRY_NAME" text, "REGION_ID" int); - id | COUNTRY_NAME | REGION_ID -----+--------------+----------- - 4 | India | 3 - 5 | Japan | 3 -(2 rows) - -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id'); - id ----- - 4 - 5 -(2 rows) - -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id FOR ORDINALITY); - id ----- - 1 - 2 -(2 rows) - -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id', "COUNTRY_NAME" text, "REGION_ID" int, rawdata xml PATH '.'); - id | COUNTRY_NAME | REGION_ID | rawdata -----+--------------+-----------+------------------------------------------------------------------ - 4 | India | 3 | + - | | | IN + - | | | India + - | | | 3 + - | | | - 5 | Japan | 3 | + - | | | JP + - | | | Japan + - | | | 3Sinzo Abe+ - | | | -(2 rows) - -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id', "COUNTRY_NAME" text, "REGION_ID" int, rawdata xml PATH './*'); - id | COUNTRY_NAME | REGION_ID | rawdata -----+--------------+-----------+----------------------------------------------------------------------------------------------------------------------------- - 4 | India | 3 | INIndia3 - 5 | Japan | 3 | JPJapan3Sinzo Abe -(2 rows) - -SELECT * FROM xmltable('/root' passing 'a1aa2a bbbbxxxcccc' COLUMNS element text); - element ----------------------- - a1aa2a bbbbxxxcccc -(1 row) - -SELECT * FROM xmltable('/root' passing 'a1aa2a bbbbxxxcccc' COLUMNS element text PATH 'element/text()'); -- should fail -ERROR: more than one value returned by column XPath expression --- CDATA test -select * from xmltable('d/r' passing ' &"<>!foo]]>2' columns c text); - c -------------------------- - &"<>!foo - 2 -(2 rows) - --- XML builtin entities -SELECT * FROM xmltable('/x/a' PASSING ''"&<>' COLUMNS ent text); - ent ------ - ' - " - & - < - > -(5 rows) - -SELECT * FROM xmltable('/x/a' PASSING ''"&<>' COLUMNS ent xml); - ent ------------------- - ' - " - & - < - > -(5 rows) - -EXPLAIN (VERBOSE, COSTS OFF) -SELECT xmltable.* - FROM (SELECT data FROM xmldata) x, - LATERAL XMLTABLE('/ROWS/ROW' - PASSING data - COLUMNS id int PATH '@id', - _id FOR ORDINALITY, - country_name text PATH 'COUNTRY_NAME' NOT NULL, - country_id text PATH 'COUNTRY_ID', - region_id int PATH 'REGION_ID', - size float PATH 'SIZE', - unit text PATH 'SIZE/@unit', - premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ - Nested Loop - Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name - -> Seq Scan on public.xmldata - Output: xmldata.data - -> Table Function Scan on "xmltable" - Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name - Table Function Call: XMLTABLE(('/ROWS/ROW'::text) PASSING (xmldata.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text)) -(7 rows) - --- test qual -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int) WHERE "COUNTRY_NAME" = 'Japan'; - COUNTRY_NAME | REGION_ID ---------------+----------- - Japan | 3 -(1 row) - -EXPLAIN (VERBOSE, COSTS OFF) -SELECT f.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int) AS f WHERE "COUNTRY_NAME" = 'Japan'; - QUERY PLAN ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - Nested Loop - Output: f."COUNTRY_NAME", f."REGION_ID" - -> Seq Scan on public.xmldata - Output: xmldata.data - -> Table Function Scan on "xmltable" f - Output: f."COUNTRY_NAME", f."REGION_ID" - Table Function Call: XMLTABLE(('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]'::text) PASSING (xmldata.data) COLUMNS "COUNTRY_NAME" text, "REGION_ID" integer) - Filter: (f."COUNTRY_NAME" = 'Japan'::text) -(8 rows) - -EXPLAIN (VERBOSE, FORMAT JSON, COSTS OFF) -SELECT f.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int) AS f WHERE "COUNTRY_NAME" = 'Japan'; - QUERY PLAN -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - [ + - { + - "Plan": { + - "Node Type": "Nested Loop", + - "Parallel Aware": false, + - "Async Capable": false, + - "Join Type": "Inner", + - "Disabled": false, + - "Output": ["f.\"COUNTRY_NAME\"", "f.\"REGION_ID\""], + - "Inner Unique": false, + - "Plans": [ + - { + - "Node Type": "Seq Scan", + - "Parent Relationship": "Outer", + - "Parallel Aware": false, + - "Async Capable": false, + - "Relation Name": "xmldata", + - "Schema": "public", + - "Alias": "xmldata", + - "Disabled": false, + - "Output": ["xmldata.data"] + - }, + - { + - "Node Type": "Table Function Scan", + - "Parent Relationship": "Inner", + - "Parallel Aware": false, + - "Async Capable": false, + - "Table Function Name": "xmltable", + - "Alias": "f", + - "Disabled": false, + - "Output": ["f.\"COUNTRY_NAME\"", "f.\"REGION_ID\""], + - "Table Function Call": "XMLTABLE(('/ROWS/ROW[COUNTRY_NAME=\"Japan\" or COUNTRY_NAME=\"India\"]'::text) PASSING (xmldata.data) COLUMNS \"COUNTRY_NAME\" text, \"REGION_ID\" integer)",+ - "Filter": "(f.\"COUNTRY_NAME\" = 'Japan'::text)" + - } + - ] + - } + - } + - ] -(1 row) - --- should to work with more data -INSERT INTO xmldata VALUES(' - - CZ - Czech Republic - 2Milos Zeman - - - DE - Germany - 2 - - - FR - France - 2 - -'); -INSERT INTO xmldata VALUES(' - - EG - Egypt - 1 - - - SD - Sudan - 1 - -'); -SELECT xmltable.* - FROM (SELECT data FROM xmldata) x, - LATERAL XMLTABLE('/ROWS/ROW' - PASSING data - COLUMNS id int PATH '@id', - _id FOR ORDINALITY, - country_name text PATH 'COUNTRY_NAME' NOT NULL, - country_id text PATH 'COUNTRY_ID', - region_id int PATH 'REGION_ID', - size float PATH 'SIZE', - unit text PATH 'SIZE/@unit', - premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); - id | _id | country_name | country_id | region_id | size | unit | premier_name -----+-----+----------------+------------+-----------+------+------+--------------- - 1 | 1 | Australia | AU | 3 | | | not specified - 2 | 2 | China | CN | 3 | | | not specified - 3 | 3 | HongKong | HK | 3 | | | not specified - 4 | 4 | India | IN | 3 | | | not specified - 5 | 5 | Japan | JP | 3 | | | Sinzo Abe - 6 | 6 | Singapore | SG | 3 | 791 | km | not specified - 10 | 1 | Czech Republic | CZ | 2 | | | Milos Zeman - 11 | 2 | Germany | DE | 2 | | | not specified - 12 | 3 | France | FR | 2 | | | not specified - 20 | 1 | Egypt | EG | 1 | | | not specified - 21 | 2 | Sudan | SD | 1 | | | not specified -(11 rows) - -SELECT xmltable.* - FROM (SELECT data FROM xmldata) x, - LATERAL XMLTABLE('/ROWS/ROW' - PASSING data - COLUMNS id int PATH '@id', - _id FOR ORDINALITY, - country_name text PATH 'COUNTRY_NAME' NOT NULL, - country_id text PATH 'COUNTRY_ID', - region_id int PATH 'REGION_ID', - size float PATH 'SIZE', - unit text PATH 'SIZE/@unit', - premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified') - WHERE region_id = 2; - id | _id | country_name | country_id | region_id | size | unit | premier_name -----+-----+----------------+------------+-----------+------+------+--------------- - 10 | 1 | Czech Republic | CZ | 2 | | | Milos Zeman - 11 | 2 | Germany | DE | 2 | | | not specified - 12 | 3 | France | FR | 2 | | | not specified -(3 rows) - -EXPLAIN (VERBOSE, COSTS OFF) -SELECT xmltable.* - FROM (SELECT data FROM xmldata) x, - LATERAL XMLTABLE('/ROWS/ROW' - PASSING data - COLUMNS id int PATH '@id', - _id FOR ORDINALITY, - country_name text PATH 'COUNTRY_NAME' NOT NULL, - country_id text PATH 'COUNTRY_ID', - region_id int PATH 'REGION_ID', - size float PATH 'SIZE', - unit text PATH 'SIZE/@unit', - premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified') - WHERE region_id = 2; - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ - Nested Loop - Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name - -> Seq Scan on public.xmldata - Output: xmldata.data - -> Table Function Scan on "xmltable" - Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name - Table Function Call: XMLTABLE(('/ROWS/ROW'::text) PASSING (xmldata.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text)) - Filter: ("xmltable".region_id = 2) -(8 rows) - --- should fail, NULL value -SELECT xmltable.* - FROM (SELECT data FROM xmldata) x, - LATERAL XMLTABLE('/ROWS/ROW' - PASSING data - COLUMNS id int PATH '@id', - _id FOR ORDINALITY, - country_name text PATH 'COUNTRY_NAME' NOT NULL, - country_id text PATH 'COUNTRY_ID', - region_id int PATH 'REGION_ID', - size float PATH 'SIZE' NOT NULL, - unit text PATH 'SIZE/@unit', - premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); -ERROR: null is not allowed in column "size" --- if all is ok, then result is empty --- one line xml test -WITH - x AS (SELECT proname, proowner, procost::numeric, pronargs, - array_to_string(proargnames,',') as proargnames, - case when proargtypes <> '' then array_to_string(proargtypes::oid[],',') end as proargtypes - FROM pg_proc WHERE proname = 'f_leak'), - y AS (SELECT xmlelement(name proc, - xmlforest(proname, proowner, - procost, pronargs, - proargnames, proargtypes)) as proc - FROM x), - z AS (SELECT xmltable.* - FROM y, - LATERAL xmltable('/proc' PASSING proc - COLUMNS proname name, - proowner oid, - procost float, - pronargs int, - proargnames text, - proargtypes text)) - SELECT * FROM z - EXCEPT SELECT * FROM x; - proname | proowner | procost | pronargs | proargnames | proargtypes ----------+----------+---------+----------+-------------+------------- -(0 rows) - --- multi line xml test, result should be empty too -WITH - x AS (SELECT proname, proowner, procost::numeric, pronargs, - array_to_string(proargnames,',') as proargnames, - case when proargtypes <> '' then array_to_string(proargtypes::oid[],',') end as proargtypes - FROM pg_proc), - y AS (SELECT xmlelement(name data, - xmlagg(xmlelement(name proc, - xmlforest(proname, proowner, procost, - pronargs, proargnames, proargtypes)))) as doc - FROM x), - z AS (SELECT xmltable.* - FROM y, - LATERAL xmltable('/data/proc' PASSING doc - COLUMNS proname name, - proowner oid, - procost float, - pronargs int, - proargnames text, - proargtypes text)) - SELECT * FROM z - EXCEPT SELECT * FROM x; - proname | proowner | procost | pronargs | proargnames | proargtypes ----------+----------+---------+----------+-------------+------------- -(0 rows) - -CREATE TABLE xmltest2(x xml, _path text); -INSERT INTO xmltest2 VALUES('1', 'A'); -INSERT INTO xmltest2 VALUES('2', 'B'); -INSERT INTO xmltest2 VALUES('3', 'C'); -INSERT INTO xmltest2 VALUES('2', 'D'); -SELECT xmltable.* FROM xmltest2, LATERAL xmltable('/d/r' PASSING x COLUMNS a int PATH '' || lower(_path) || 'c'); - a ---- - 1 - 2 - 3 - 2 -(4 rows) - -SELECT xmltable.* FROM xmltest2, LATERAL xmltable(('/d/r/' || lower(_path) || 'c') PASSING x COLUMNS a int PATH '.'); - a ---- - 1 - 2 - 3 - 2 -(4 rows) - -SELECT xmltable.* FROM xmltest2, LATERAL xmltable(('/d/r/' || lower(_path) || 'c') PASSING x COLUMNS a int PATH 'x' DEFAULT ascii(_path) - 54); - a ----- - 11 - 12 - 13 - 14 -(4 rows) - --- XPath result can be boolean or number too -SELECT * FROM XMLTABLE('*' PASSING 'a' COLUMNS a xml PATH '.', b text PATH '.', c text PATH '"hi"', d boolean PATH '. = "a"', e integer PATH 'string-length(.)'); - a | b | c | d | e -----------+---+----+---+--- - a | a | hi | t | 1 -(1 row) - -\x -SELECT * FROM XMLTABLE('*' PASSING 'pre&deeppost' COLUMNS x xml PATH '/e/n2', y xml PATH '/'); --[ RECORD 1 ]----------------------------------------------------------- -x | &deep -y | pre&deeppost+ - | - -\x -SELECT * FROM XMLTABLE('.' PASSING XMLELEMENT(NAME a) columns a varchar(20) PATH '""', b xml PATH '""'); - a | b ---------+-------------- - | <foo/> -(1 row) - -SELECT xmltext(NULL); - xmltext ---------- - -(1 row) - -SELECT xmltext(''); - xmltext ---------- - -(1 row) - -SELECT xmltext(' '); - xmltext ---------- - -(1 row) - -SELECT xmltext('foo `$_-+?=*^%!|/\()[]{}'); - xmltext --------------------------- - foo `$_-+?=*^%!|/\()[]{} -(1 row) - -SELECT xmltext('foo & <"bar">'); - xmltext ------------------------------------ - foo & <"bar"> -(1 row) - -SELECT xmltext('x'|| '

73

'::xml || .42 || true || 'j'::char); - xmltext ---------------------------------- - x<P>73</P>0.42truej -(1 row) - +CREATE TABLE xmltest ( + id int, + data xml +); +INSERT INTO xmltest VALUES (1, 'one'); +INSERT INTO xmltest VALUES (2, 'two'); +INSERT INTO xmltest VALUES (3, 'one + 2 | two +(2 rows) + +-- test non-throwing API, too +SELECT pg_input_is_valid('one', 'xml'); + pg_input_is_valid +------------------- + t +(1 row) + +SELECT pg_input_is_valid('oneone', 'xml'); + pg_input_is_valid +------------------- + f +(1 row) + +SELECT message FROM pg_input_error_info('', 'xml'); + message +---------------------------------------------- + invalid XML content: invalid XML declaration +(1 row) + +SELECT xmlcomment('test'); + xmlcomment +------------- + +(1 row) + +SELECT xmlcomment('-test'); + xmlcomment +-------------- + +(1 row) + +SELECT xmlcomment('test-'); +ERROR: invalid XML comment +SELECT xmlcomment('--test'); +ERROR: invalid XML comment +SELECT xmlcomment('te st'); + xmlcomment +-------------- + +(1 row) + +SELECT xmlconcat(xmlcomment('hello'), + xmlelement(NAME qux, 'foo'), + xmlcomment('world')); + xmlconcat +---------------------------------------- + foo +(1 row) + +SELECT xmlconcat('hello', 'you'); + xmlconcat +----------- + helloyou +(1 row) + +SELECT xmlconcat(1, 2); +ERROR: argument of XMLCONCAT must be type xml, not type integer +LINE 1: SELECT xmlconcat(1, 2); + ^ +SELECT xmlconcat('bad', '', NULL, ''); + xmlconcat +-------------- + +(1 row) + +SELECT xmlconcat('', NULL, ''); + xmlconcat +----------------------------------- + +(1 row) + +SELECT xmlconcat(NULL); + xmlconcat +----------- + +(1 row) + +SELECT xmlconcat(NULL, NULL); + xmlconcat +----------- + +(1 row) + +SELECT xmlelement(name element, + xmlattributes (1 as one, 'deuce' as two), + 'content'); + xmlelement +------------------------------------------------ + content +(1 row) + +SELECT xmlelement(name element, + xmlattributes ('unnamed and wrong')); +ERROR: unnamed XML attribute value must be a column reference +LINE 2: xmlattributes ('unnamed and wrong')); + ^ +SELECT xmlelement(name element, xmlelement(name nested, 'stuff')); + xmlelement +------------------------------------------- + stuff +(1 row) + +SELECT xmlelement(name employee, xmlforest(name, age, salary as pay)) FROM emp; + xmlelement +---------------------------------------------------------------------- + sharon251000 + sam302000 + bill201000 + jeff23600 + cim30400 + linda19100 +(6 rows) + +SELECT xmlelement(name duplicate, xmlattributes(1 as a, 2 as b, 3 as a)); +ERROR: XML attribute name "a" appears more than once +LINE 1: ...ment(name duplicate, xmlattributes(1 as a, 2 as b, 3 as a)); + ^ +SELECT xmlelement(name num, 37); + xmlelement +--------------- + 37 +(1 row) + +SELECT xmlelement(name foo, text 'bar'); + xmlelement +---------------- + bar +(1 row) + +SELECT xmlelement(name foo, xml 'bar'); + xmlelement +---------------- + bar +(1 row) + +SELECT xmlelement(name foo, text 'br'); + xmlelement +------------------------- + b<a/>r +(1 row) + +SELECT xmlelement(name foo, xml 'br'); + xmlelement +------------------- + br +(1 row) + +SELECT xmlelement(name foo, array[1, 2, 3]); + xmlelement +------------------------------------------------------------------------- + 123 +(1 row) + +SET xmlbinary TO base64; +SELECT xmlelement(name foo, bytea 'bar'); + xmlelement +----------------- + YmFy +(1 row) + +SET xmlbinary TO hex; +SELECT xmlelement(name foo, bytea 'bar'); + xmlelement +------------------- + 626172 +(1 row) + +SELECT xmlelement(name foo, xmlattributes(true as bar)); + xmlelement +------------------- + +(1 row) + +SELECT xmlelement(name foo, xmlattributes('2009-04-09 00:24:37'::timestamp as bar)); + xmlelement +---------------------------------- + +(1 row) + +SELECT xmlelement(name foo, xmlattributes('infinity'::timestamp as bar)); +ERROR: timestamp out of range +DETAIL: XML does not support infinite timestamp values. +SELECT xmlelement(name foo, xmlattributes('<>&"''' as funny, xml 'br' as funnier)); + xmlelement +------------------------------------------------------------ + +(1 row) + +SELECT xmlparse(content ''); + xmlparse +---------- + +(1 row) + +SELECT xmlparse(content ' '); + xmlparse +---------- + +(1 row) + +SELECT xmlparse(content 'abc'); + xmlparse +---------- + abc +(1 row) + +SELECT xmlparse(content 'x'); + xmlparse +-------------- + x +(1 row) + +SELECT xmlparse(content '&'); +ERROR: invalid XML content +DETAIL: line 1: xmlParseEntityRef: no name +& + ^ +SELECT xmlparse(content '&idontexist;'); +ERROR: invalid XML content +DETAIL: line 1: Entity 'idontexist' not defined +&idontexist; + ^ +SELECT xmlparse(content ''); + xmlparse +--------------------------- + +(1 row) + +SELECT xmlparse(content ''); + xmlparse +-------------------------------- + +(1 row) + +SELECT xmlparse(content '&idontexist;'); +ERROR: invalid XML content +DETAIL: line 1: Entity 'idontexist' not defined +&idontexist; + ^ +line 1: Opening and ending tag mismatch: twoerrors line 1 and unbalanced +&idontexist; + ^ +SELECT xmlparse(content ''); + xmlparse +--------------------- + +(1 row) + +SELECT xmlparse(document ' '); +ERROR: invalid XML document +DETAIL: line 1: Start tag expected, '<' not found + + ^ +SELECT xmlparse(document 'abc'); +ERROR: invalid XML document +DETAIL: line 1: Start tag expected, '<' not found +abc +^ +SELECT xmlparse(document 'x'); + xmlparse +-------------- + x +(1 row) + +SELECT xmlparse(document '&'); +ERROR: invalid XML document +DETAIL: line 1: xmlParseEntityRef: no name +& + ^ +line 1: Opening and ending tag mismatch: invalidentity line 1 and abc +& + ^ +SELECT xmlparse(document '&idontexist;'); +ERROR: invalid XML document +DETAIL: line 1: Entity 'idontexist' not defined +&idontexist; + ^ +line 1: Opening and ending tag mismatch: undefinedentity line 1 and abc +&idontexist; + ^ +SELECT xmlparse(document ''); + xmlparse +--------------------------- + +(1 row) + +SELECT xmlparse(document ''); + xmlparse +-------------------------------- + +(1 row) + +SELECT xmlparse(document '&idontexist;'); +ERROR: invalid XML document +DETAIL: line 1: Entity 'idontexist' not defined +&idontexist; + ^ +line 1: Opening and ending tag mismatch: twoerrors line 1 and unbalanced +&idontexist; + ^ +SELECT xmlparse(document ''); + xmlparse +--------------------- + +(1 row) + +SELECT xmlpi(name foo); + xmlpi +--------- + +(1 row) + +SELECT xmlpi(name xml); +ERROR: invalid XML processing instruction +DETAIL: XML processing instruction target name cannot be "xml". +SELECT xmlpi(name xmlstuff); + xmlpi +-------------- + +(1 row) + +SELECT xmlpi(name foo, 'bar'); + xmlpi +------------- + +(1 row) + +SELECT xmlpi(name foo, 'in?>valid'); +ERROR: invalid XML processing instruction +DETAIL: XML processing instruction cannot contain "?>". +SELECT xmlpi(name foo, null); + xmlpi +------- + +(1 row) + +SELECT xmlpi(name xml, null); +ERROR: invalid XML processing instruction +DETAIL: XML processing instruction target name cannot be "xml". +SELECT xmlpi(name xmlstuff, null); + xmlpi +------- + +(1 row) + +SELECT xmlpi(name "xml-stylesheet", 'href="mystyle.css" type="text/css"'); + xmlpi +------------------------------------------------------- + +(1 row) + +SELECT xmlpi(name foo, ' bar'); + xmlpi +------------- + +(1 row) + +SELECT xmlroot(xml '', version no value, standalone no value); + xmlroot +--------- + +(1 row) + +SELECT xmlroot(xml '', version '2.0'); + xmlroot +----------------------------- + +(1 row) + +SELECT xmlroot(xml '', version no value, standalone yes); + xmlroot +---------------------------------------------- + +(1 row) + +SELECT xmlroot(xml '', version no value, standalone yes); + xmlroot +---------------------------------------------- + +(1 row) + +SELECT xmlroot(xmlroot(xml '', version '1.0'), version '1.1', standalone no); + xmlroot +--------------------------------------------- + +(1 row) + +SELECT xmlroot('', version no value, standalone no); + xmlroot +--------------------------------------------- + +(1 row) + +SELECT xmlroot('', version no value, standalone no value); + xmlroot +--------- + +(1 row) + +SELECT xmlroot('', version no value); + xmlroot +---------------------------------------------- + +(1 row) + +SELECT xmlroot ( + xmlelement ( + name gazonk, + xmlattributes ( + 'val' AS name, + 1 + 1 AS num + ), + xmlelement ( + NAME qux, + 'foo' + ) + ), + version '1.0', + standalone yes +); + xmlroot +------------------------------------------------------------------------------------------ + foo +(1 row) + +SELECT xmlserialize(content data as character varying(20)) FROM xmltest; + xmlserialize +-------------------- + one + two +(2 rows) + +SELECT xmlserialize(content 'good' as char(10)); + xmlserialize +-------------- + good +(1 row) + +SELECT xmlserialize(document 'bad' as text); +ERROR: not an XML document +-- indent +SELECT xmlserialize(DOCUMENT '42' AS text INDENT); + xmlserialize +------------------------- + + + + + 42+ + + + +(1 row) + +SELECT xmlserialize(CONTENT '42' AS text INDENT); + xmlserialize +------------------------- + + + + + 42+ + + + +(1 row) + +-- no indent +SELECT xmlserialize(DOCUMENT '42' AS text NO INDENT); + xmlserialize +------------------------------------------- + 42 +(1 row) + +SELECT xmlserialize(CONTENT '42' AS text NO INDENT); + xmlserialize +------------------------------------------- + 42 +(1 row) + +-- indent non singly-rooted xml +SELECT xmlserialize(DOCUMENT '7342' AS text INDENT); +ERROR: not an XML document +SELECT xmlserialize(CONTENT '7342' AS text INDENT); + xmlserialize +----------------------- + 73 + + + + 42+ + +(1 row) + +-- indent non singly-rooted xml with mixed contents +SELECT xmlserialize(DOCUMENT 'text node73text node42' AS text INDENT); +ERROR: not an XML document +SELECT xmlserialize(CONTENT 'text node73text node42' AS text INDENT); + xmlserialize +------------------------ + text node + + 73text node+ + + + 42 + + +(1 row) + +-- indent singly-rooted xml with mixed contents +SELECT xmlserialize(DOCUMENT '42text node73' AS text INDENT); + xmlserialize +--------------------------------------------- + + + + + 42 + + text node73+ + + + +(1 row) + +SELECT xmlserialize(CONTENT '42text node73' AS text INDENT); + xmlserialize +--------------------------------------------- + + + + + 42 + + text node73+ + + + +(1 row) + +-- indent empty string +SELECT xmlserialize(DOCUMENT '' AS text INDENT); +ERROR: not an XML document +SELECT xmlserialize(CONTENT '' AS text INDENT); + xmlserialize +-------------- + +(1 row) + +-- whitespaces +SELECT xmlserialize(DOCUMENT ' ' AS text INDENT); +ERROR: not an XML document +SELECT xmlserialize(CONTENT ' ' AS text INDENT); + xmlserialize +-------------- + +(1 row) + +-- indent null +SELECT xmlserialize(DOCUMENT NULL AS text INDENT); + xmlserialize +-------------- + +(1 row) + +SELECT xmlserialize(CONTENT NULL AS text INDENT); + xmlserialize +-------------- + +(1 row) + +-- indent with XML declaration +SELECT xmlserialize(DOCUMENT '73' AS text INDENT); + xmlserialize +---------------------------------------- + + + + + + + 73 + + + + +(1 row) + +SELECT xmlserialize(CONTENT '73' AS text INDENT); + xmlserialize +------------------- + + + + + 73+ + + + +(1 row) + +-- indent containing DOCTYPE declaration +SELECT xmlserialize(DOCUMENT '' AS text INDENT); + xmlserialize +-------------- + + + +(1 row) + +SELECT xmlserialize(CONTENT '' AS text INDENT); + xmlserialize +-------------- + + + + + +(1 row) + +-- indent xml with empty element +SELECT xmlserialize(DOCUMENT '' AS text INDENT); + xmlserialize +-------------- + + + + + +(1 row) + +SELECT xmlserialize(CONTENT '' AS text INDENT); + xmlserialize +-------------- + + + + + +(1 row) + +-- 'no indent' = not using 'no indent' +SELECT xmlserialize(DOCUMENT '42' AS text) = xmlserialize(DOCUMENT '42' AS text NO INDENT); + ?column? +---------- + t +(1 row) + +SELECT xmlserialize(CONTENT '42' AS text) = xmlserialize(CONTENT '42' AS text NO INDENT); + ?column? +---------- + t +(1 row) + +-- indent xml strings containing blank nodes +SELECT xmlserialize(DOCUMENT ' ' AS text INDENT); + xmlserialize +-------------- + + + + + +(1 row) + +SELECT xmlserialize(CONTENT 'text node ' AS text INDENT); + xmlserialize +-------------- + text node + + + + + + +(1 row) + +SELECT xml 'bar' IS DOCUMENT; + ?column? +---------- + t +(1 row) + +SELECT xml 'barfoo' IS DOCUMENT; + ?column? +---------- + f +(1 row) + +SELECT xml '' IS NOT DOCUMENT; + ?column? +---------- + f +(1 row) + +SELECT xml 'abc' IS NOT DOCUMENT; + ?column? +---------- + t +(1 row) + +SELECT '<>' IS NOT DOCUMENT; +ERROR: invalid XML content +LINE 1: SELECT '<>' IS NOT DOCUMENT; + ^ +DETAIL: line 1: StartTag: invalid element name +<> + ^ +SELECT xmlagg(data) FROM xmltest; + xmlagg +-------------------------------------- + onetwo +(1 row) + +SELECT xmlagg(data) FROM xmltest WHERE id > 10; + xmlagg +-------- + +(1 row) + +SELECT xmlelement(name employees, xmlagg(xmlelement(name name, name))) FROM emp; + xmlelement +-------------------------------------------------------------------------------------------------------------------------------- + sharonsambilljeffcimlinda +(1 row) + +-- Check mapping SQL identifier to XML name +SELECT xmlpi(name ":::_xml_abc135.%-&_"); + xmlpi +------------------------------------------------- + +(1 row) + +SELECT xmlpi(name "123"); + xmlpi +--------------- + +(1 row) + +PREPARE foo (xml) AS SELECT xmlconcat('', $1); +SET XML OPTION DOCUMENT; +EXECUTE foo (''); + xmlconcat +-------------- + +(1 row) + +EXECUTE foo ('bad'); +ERROR: invalid XML document +LINE 1: EXECUTE foo ('bad'); + ^ +DETAIL: line 1: Start tag expected, '<' not found +bad +^ +SELECT xml ''; +ERROR: invalid XML document +LINE 1: SELECT xml ''; + ^ +DETAIL: line 1: Extra content at the end of the document + + ^ +SET XML OPTION CONTENT; +EXECUTE foo (''); + xmlconcat +-------------- + +(1 row) + +EXECUTE foo ('good'); + xmlconcat +------------ + good +(1 row) + +SELECT xml ' '; + xml +-------------------------------------------------------------------- + +(1 row) + +SELECT xml ' '; + xml +------------------------------ + +(1 row) + +SELECT xml ''; + xml +------------------ + +(1 row) + +SELECT xml ' oops '; +ERROR: invalid XML content +LINE 1: SELECT xml ' oops '; + ^ +DETAIL: line 1: StartTag: invalid element name + oops + ^ +SELECT xml ' '; +ERROR: invalid XML content +LINE 1: SELECT xml ' '; + ^ +DETAIL: line 1: StartTag: invalid element name + + ^ +SELECT xml ''; +ERROR: invalid XML content +LINE 1: SELECT xml ''; + ^ +DETAIL: line 1: Extra content at the end of the document + + ^ +-- Test backwards parsing +CREATE VIEW xmlview1 AS SELECT xmlcomment('test'); +CREATE VIEW xmlview2 AS SELECT xmlconcat('hello', 'you'); +CREATE VIEW xmlview3 AS SELECT xmlelement(name element, xmlattributes (1 as ":one:", 'deuce' as two), 'content&'); +CREATE VIEW xmlview4 AS SELECT xmlelement(name employee, xmlforest(name, age, salary as pay)) FROM emp; +CREATE VIEW xmlview5 AS SELECT xmlparse(content 'x'); +CREATE VIEW xmlview6 AS SELECT xmlpi(name foo, 'bar'); +CREATE VIEW xmlview7 AS SELECT xmlroot(xml '', version no value, standalone yes); +CREATE VIEW xmlview8 AS SELECT xmlserialize(content 'good' as char(10)); +CREATE VIEW xmlview9 AS SELECT xmlserialize(content 'good' as text); +CREATE VIEW xmlview10 AS SELECT xmlserialize(document '42' AS text indent); +CREATE VIEW xmlview11 AS SELECT xmlserialize(document '42' AS character varying no indent); +SELECT table_name, view_definition FROM information_schema.views + WHERE table_name LIKE 'xmlview%' ORDER BY 1; + table_name | view_definition +------------+--------------------------------------------------------------------------------------------------------------------------------------- + xmlview1 | SELECT xmlcomment('test'::text) AS xmlcomment; + xmlview10 | SELECT XMLSERIALIZE(DOCUMENT '42'::xml AS text INDENT) AS "xmlserialize"; + xmlview11 | SELECT (XMLSERIALIZE(DOCUMENT '42'::xml AS character varying NO INDENT))::character varying AS "xmlserialize"; + xmlview2 | SELECT XMLCONCAT('hello'::xml, 'you'::xml) AS "xmlconcat"; + xmlview3 | SELECT XMLELEMENT(NAME element, XMLATTRIBUTES(1 AS ":one:", 'deuce' AS two), 'content&') AS "xmlelement"; + xmlview4 | SELECT XMLELEMENT(NAME employee, XMLFOREST(name AS name, age AS age, salary AS pay)) AS "xmlelement" + + | FROM emp; + xmlview5 | SELECT XMLPARSE(CONTENT 'x'::text STRIP WHITESPACE) AS "xmlparse"; + xmlview6 | SELECT XMLPI(NAME foo, 'bar'::text) AS "xmlpi"; + xmlview7 | SELECT XMLROOT(''::xml, VERSION NO VALUE, STANDALONE YES) AS "xmlroot"; + xmlview8 | SELECT (XMLSERIALIZE(CONTENT 'good'::xml AS character(10) NO INDENT))::character(10) AS "xmlserialize"; + xmlview9 | SELECT XMLSERIALIZE(CONTENT 'good'::xml AS text NO INDENT) AS "xmlserialize"; +(11 rows) + +-- Text XPath expressions evaluation +SELECT xpath('/value', data) FROM xmltest; + xpath +---------------------- + {one} + {two} +(2 rows) + +SELECT xpath(NULL, NULL) IS NULL FROM xmltest; + ?column? +---------- + t + t +(2 rows) + +SELECT xpath('', ''); +ERROR: empty XPath expression +CONTEXT: SQL function "xpath" statement 1 +SELECT xpath('//text()', 'number one'); + xpath +---------------- + {"number one"} +(1 row) + +SELECT xpath('//loc:piece/@id', 'number one', ARRAY[ARRAY['loc', 'http://127.0.0.1']]); + xpath +------- + {1,2} +(1 row) + +SELECT xpath('//loc:piece', 'number one', ARRAY[ARRAY['loc', 'http://127.0.0.1']]); + xpath +------------------------------------------------------------------------------------------------------------------------------------------------ + {"number one",""} +(1 row) + +SELECT xpath('//loc:piece', 'number one', ARRAY[ARRAY['loc', 'http://127.0.0.1']]); + xpath +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ + {"number one",""} +(1 row) + +SELECT xpath('//b', 'one two three etc'); + xpath +------------------------- + {two,etc} +(1 row) + +SELECT xpath('//text()', '<'); + xpath +-------- + {<} +(1 row) + +SELECT xpath('//@value', ''); + xpath +-------- + {<} +(1 row) + +SELECT xpath('''<>''', ''); + xpath +--------------------------- + {<<invalid>>} +(1 row) + +SELECT xpath('count(//*)', ''); + xpath +------- + {3} +(1 row) + +SELECT xpath('count(//*)=0', ''); + xpath +--------- + {false} +(1 row) + +SELECT xpath('count(//*)=3', ''); + xpath +-------- + {true} +(1 row) + +SELECT xpath('name(/*)', ''); + xpath +-------- + {root} +(1 row) + +SELECT xpath('/nosuchtag', ''); + xpath +------- + {} +(1 row) + +SELECT xpath('root', ''); + xpath +----------- + {} +(1 row) + +-- Round-trip non-ASCII data through xpath(). +DO $$ +DECLARE + xml_declaration text := ''; + degree_symbol text; + res xml[]; +BEGIN + -- Per the documentation, except when the server encoding is UTF8, xpath() + -- may not work on non-ASCII data. The untranslatable_character and + -- undefined_function traps below, currently dead code, will become relevant + -- if we remove this limitation. + IF current_setting('server_encoding') <> 'UTF8' THEN + RAISE LOG 'skip: encoding % unsupported for xpath', + current_setting('server_encoding'); + RETURN; + END IF; + + degree_symbol := convert_from('\xc2b0', 'UTF8'); + res := xpath('text()', (xml_declaration || + '' || degree_symbol || '')::xml); + IF degree_symbol <> res[1]::text THEN + RAISE 'expected % (%), got % (%)', + degree_symbol, convert_to(degree_symbol, 'UTF8'), + res[1], convert_to(res[1]::text, 'UTF8'); + END IF; +EXCEPTION + -- character with byte sequence 0xc2 0xb0 in encoding "UTF8" has no equivalent in encoding "LATIN8" + WHEN untranslatable_character + -- default conversion function for encoding "UTF8" to "MULE_INTERNAL" does not exist + OR undefined_function + -- unsupported XML feature + OR feature_not_supported THEN + RAISE LOG 'skip: %', SQLERRM; +END +$$; +-- Test xmlexists and xpath_exists +SELECT xmlexists('//town[text() = ''Toronto'']' PASSING BY REF 'Bidford-on-AvonCwmbranBristol'); + xmlexists +----------- + f +(1 row) + +SELECT xmlexists('//town[text() = ''Cwmbran'']' PASSING BY REF 'Bidford-on-AvonCwmbranBristol'); + xmlexists +----------- + t +(1 row) + +SELECT xmlexists('count(/nosuchtag)' PASSING BY REF ''); + xmlexists +----------- + t +(1 row) + +SELECT xpath_exists('//town[text() = ''Toronto'']','Bidford-on-AvonCwmbranBristol'::xml); + xpath_exists +-------------- + f +(1 row) + +SELECT xpath_exists('//town[text() = ''Cwmbran'']','Bidford-on-AvonCwmbranBristol'::xml); + xpath_exists +-------------- + t +(1 row) + +SELECT xpath_exists('count(/nosuchtag)', ''::xml); + xpath_exists +-------------- + t +(1 row) + +INSERT INTO xmltest VALUES (4, 'BudvarfreeCarlinglots'::xml); +INSERT INTO xmltest VALUES (5, 'MolsonfreeCarlinglots'::xml); +INSERT INTO xmltest VALUES (6, 'BudvarfreeCarlinglots'::xml); +INSERT INTO xmltest VALUES (7, 'MolsonfreeCarlinglots'::xml); +SELECT COUNT(id) FROM xmltest WHERE xmlexists('/menu/beer' PASSING data); + count +------- + 0 +(1 row) + +SELECT COUNT(id) FROM xmltest WHERE xmlexists('/menu/beer' PASSING BY REF data BY REF); + count +------- + 0 +(1 row) + +SELECT COUNT(id) FROM xmltest WHERE xmlexists('/menu/beers' PASSING BY REF data); + count +------- + 2 +(1 row) + +SELECT COUNT(id) FROM xmltest WHERE xmlexists('/menu/beers/name[text() = ''Molson'']' PASSING BY REF data); + count +------- + 1 +(1 row) + +SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/menu/beer',data); + count +------- + 0 +(1 row) + +SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/menu/beers',data); + count +------- + 2 +(1 row) + +SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/menu/beers/name[text() = ''Molson'']',data); + count +------- + 1 +(1 row) + +SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/myns:menu/myns:beer',data,ARRAY[ARRAY['myns','http://myns.com']]); + count +------- + 0 +(1 row) + +SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/myns:menu/myns:beers',data,ARRAY[ARRAY['myns','http://myns.com']]); + count +------- + 2 +(1 row) + +SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/myns:menu/myns:beers/myns:name[text() = ''Molson'']',data,ARRAY[ARRAY['myns','http://myns.com']]); + count +------- + 1 +(1 row) + +CREATE TABLE query ( expr TEXT ); +INSERT INTO query VALUES ('/menu/beers/cost[text() = ''lots'']'); +SELECT COUNT(id) FROM xmltest, query WHERE xmlexists(expr PASSING BY REF data); + count +------- + 2 +(1 row) + +-- Test xml_is_well_formed and variants +SELECT xml_is_well_formed_document('bar'); + xml_is_well_formed_document +----------------------------- + t +(1 row) + +SELECT xml_is_well_formed_document('abc'); + xml_is_well_formed_document +----------------------------- + f +(1 row) + +SELECT xml_is_well_formed_content('bar'); + xml_is_well_formed_content +---------------------------- + t +(1 row) + +SELECT xml_is_well_formed_content('abc'); + xml_is_well_formed_content +---------------------------- + t +(1 row) + +SET xmloption TO DOCUMENT; +SELECT xml_is_well_formed('abc'); + xml_is_well_formed +-------------------- + f +(1 row) + +SELECT xml_is_well_formed('<>'); + xml_is_well_formed +-------------------- + f +(1 row) + +SELECT xml_is_well_formed(''); + xml_is_well_formed +-------------------- + t +(1 row) + +SELECT xml_is_well_formed('bar'); + xml_is_well_formed +-------------------- + t +(1 row) + +SELECT xml_is_well_formed('barbaz'); + xml_is_well_formed +-------------------- + f +(1 row) + +SELECT xml_is_well_formed('number one'); + xml_is_well_formed +-------------------- + t +(1 row) + +SELECT xml_is_well_formed('bar'); + xml_is_well_formed +-------------------- + f +(1 row) + +SELECT xml_is_well_formed('bar'); + xml_is_well_formed +-------------------- + t +(1 row) + +SELECT xml_is_well_formed('&'); + xml_is_well_formed +-------------------- + f +(1 row) + +SELECT xml_is_well_formed('&idontexist;'); + xml_is_well_formed +-------------------- + f +(1 row) + +SELECT xml_is_well_formed(''); + xml_is_well_formed +-------------------- + t +(1 row) + +SELECT xml_is_well_formed(''); + xml_is_well_formed +-------------------- + t +(1 row) + +SELECT xml_is_well_formed('&idontexist;'); + xml_is_well_formed +-------------------- + f +(1 row) + +SET xmloption TO CONTENT; +SELECT xml_is_well_formed('abc'); + xml_is_well_formed +-------------------- + t +(1 row) + +-- Since xpath() deals with namespaces, it's a bit stricter about +-- what's well-formed and what's not. If we don't obey these rules +-- (i.e. ignore namespace-related errors from libxml), xpath() +-- fails in subtle ways. The following would for example produce +-- the xml value +-- +-- which is invalid because '<' may not appear un-escaped in +-- attribute values. +-- Since different libxml versions emit slightly different +-- error messages, we suppress the DETAIL in this test. +\set VERBOSITY terse +SELECT xpath('/*', ''); +ERROR: could not parse XML document +\set VERBOSITY default +-- Again, the XML isn't well-formed for namespace purposes +SELECT xpath('/*', ''); +ERROR: could not parse XML document +DETAIL: line 1: Namespace prefix nosuchprefix on tag is not defined + + ^ +CONTEXT: SQL function "xpath" statement 1 +-- XPath deprecates relative namespaces, but they're not supposed to +-- throw an error, only a warning. +SELECT xpath('/*', ''); +WARNING: line 1: xmlns: URI relative is not absolute + + ^ + xpath +-------------------------------------- + {""} +(1 row) + +-- External entity references should not leak filesystem information. +SELECT XMLPARSE(DOCUMENT ']>&c;'); + xmlparse +----------------------------------------------------------------- + ]>&c; +(1 row) + +SELECT XMLPARSE(DOCUMENT ']>&c;'); + xmlparse +----------------------------------------------------------------------- + ]>&c; +(1 row) + +-- This might or might not load the requested DTD, but it mustn't throw error. +SELECT XMLPARSE(DOCUMENT ' '); + xmlparse +------------------------------------------------------------------------------------------------------------------------------------------------------ +   +(1 row) + +-- XMLPATH tests +CREATE TABLE xmldata(data xml); +INSERT INTO xmldata VALUES(' + + AU + Australia + 3 + + + CN + China + 3 + + + HK + HongKong + 3 + + + IN + India + 3 + + + JP + Japan + 3Sinzo Abe + + + SG + Singapore + 3791 + +'); +-- XMLTABLE with columns +SELECT xmltable.* + FROM (SELECT data FROM xmldata) x, + LATERAL XMLTABLE('/ROWS/ROW' + PASSING data + COLUMNS id int PATH '@id', + _id FOR ORDINALITY, + country_name text PATH 'COUNTRY_NAME/text()' NOT NULL, + country_id text PATH 'COUNTRY_ID', + region_id int PATH 'REGION_ID', + size float PATH 'SIZE', + unit text PATH 'SIZE/@unit', + premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); + id | _id | country_name | country_id | region_id | size | unit | premier_name +----+-----+--------------+------------+-----------+------+------+--------------- + 1 | 1 | Australia | AU | 3 | | | not specified + 2 | 2 | China | CN | 3 | | | not specified + 3 | 3 | HongKong | HK | 3 | | | not specified + 4 | 4 | India | IN | 3 | | | not specified + 5 | 5 | Japan | JP | 3 | | | Sinzo Abe + 6 | 6 | Singapore | SG | 3 | 791 | km | not specified +(6 rows) + +CREATE VIEW xmltableview1 AS SELECT xmltable.* + FROM (SELECT data FROM xmldata) x, + LATERAL XMLTABLE('/ROWS/ROW' + PASSING data + COLUMNS id int PATH '@id', + _id FOR ORDINALITY, + country_name text PATH 'COUNTRY_NAME/text()' NOT NULL, + country_id text PATH 'COUNTRY_ID', + region_id int PATH 'REGION_ID', + size float PATH 'SIZE', + unit text PATH 'SIZE/@unit', + premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); +SELECT * FROM xmltableview1; + id | _id | country_name | country_id | region_id | size | unit | premier_name +----+-----+--------------+------------+-----------+------+------+--------------- + 1 | 1 | Australia | AU | 3 | | | not specified + 2 | 2 | China | CN | 3 | | | not specified + 3 | 3 | HongKong | HK | 3 | | | not specified + 4 | 4 | India | IN | 3 | | | not specified + 5 | 5 | Japan | JP | 3 | | | Sinzo Abe + 6 | 6 | Singapore | SG | 3 | 791 | km | not specified +(6 rows) + +\sv xmltableview1 +CREATE OR REPLACE VIEW public.xmltableview1 AS + SELECT "xmltable".id, + "xmltable"._id, + "xmltable".country_name, + "xmltable".country_id, + "xmltable".region_id, + "xmltable".size, + "xmltable".unit, + "xmltable".premier_name + FROM ( SELECT xmldata.data + FROM xmldata) x, + LATERAL XMLTABLE(('/ROWS/ROW'::text) PASSING (x.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME/text()'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text)) +EXPLAIN (COSTS OFF) SELECT * FROM xmltableview1; + QUERY PLAN +----------------------------------------- + Nested Loop + -> Seq Scan on xmldata + -> Table Function Scan on "xmltable" +(3 rows) + +EXPLAIN (COSTS OFF, VERBOSE) SELECT * FROM xmltableview1; + QUERY PLAN +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ + Nested Loop + Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name + -> Seq Scan on public.xmldata + Output: xmldata.data + -> Table Function Scan on "xmltable" + Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name + Table Function Call: XMLTABLE(('/ROWS/ROW'::text) PASSING (xmldata.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME/text()'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text)) +(7 rows) + +-- errors +SELECT * FROM XMLTABLE (ROW () PASSING null COLUMNS v1 timestamp) AS f (v1, v2); +ERROR: XMLTABLE function has 1 columns available but 2 columns specified +SELECT * FROM XMLTABLE (ROW () PASSING null COLUMNS v1 timestamp __pg__is_not_null 1) AS f (v1); +ERROR: option name "__pg__is_not_null" cannot be used in XMLTABLE +LINE 1: ...MLTABLE (ROW () PASSING null COLUMNS v1 timestamp __pg__is_n... + ^ +-- XMLNAMESPACES tests +SELECT * FROM XMLTABLE(XMLNAMESPACES('http://x.y' AS zz), + '/zz:rows/zz:row' + PASSING '10' + COLUMNS a int PATH 'zz:a'); + a +---- + 10 +(1 row) + +CREATE VIEW xmltableview2 AS SELECT * FROM XMLTABLE(XMLNAMESPACES('http://x.y' AS "Zz"), + '/Zz:rows/Zz:row' + PASSING '10' + COLUMNS a int PATH 'Zz:a'); +SELECT * FROM xmltableview2; + a +---- + 10 +(1 row) + +\sv xmltableview2 +CREATE OR REPLACE VIEW public.xmltableview2 AS + SELECT a + FROM XMLTABLE(XMLNAMESPACES ('http://x.y'::text AS "Zz"), ('/Zz:rows/Zz:row'::text) PASSING ('10'::xml) COLUMNS a integer PATH ('Zz:a'::text)) +SELECT * FROM XMLTABLE(XMLNAMESPACES(DEFAULT 'http://x.y'), + '/rows/row' + PASSING '10' + COLUMNS a int PATH 'a'); +ERROR: DEFAULT namespace is not supported +SELECT * FROM XMLTABLE('.' + PASSING '' + COLUMNS a text PATH 'foo/namespace::node()'); + a +-------------------------------------- + http://www.w3.org/XML/1998/namespace +(1 row) + +-- used in prepare statements +PREPARE pp AS +SELECT xmltable.* + FROM (SELECT data FROM xmldata) x, + LATERAL XMLTABLE('/ROWS/ROW' + PASSING data + COLUMNS id int PATH '@id', + _id FOR ORDINALITY, + country_name text PATH 'COUNTRY_NAME' NOT NULL, + country_id text PATH 'COUNTRY_ID', + region_id int PATH 'REGION_ID', + size float PATH 'SIZE', + unit text PATH 'SIZE/@unit', + premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); +EXECUTE pp; + id | _id | country_name | country_id | region_id | size | unit | premier_name +----+-----+--------------+------------+-----------+------+------+--------------- + 1 | 1 | Australia | AU | 3 | | | not specified + 2 | 2 | China | CN | 3 | | | not specified + 3 | 3 | HongKong | HK | 3 | | | not specified + 4 | 4 | India | IN | 3 | | | not specified + 5 | 5 | Japan | JP | 3 | | | Sinzo Abe + 6 | 6 | Singapore | SG | 3 | 791 | km | not specified +(6 rows) + +SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int); + COUNTRY_NAME | REGION_ID +--------------+----------- + India | 3 + Japan | 3 +(2 rows) + +SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id FOR ORDINALITY, "COUNTRY_NAME" text, "REGION_ID" int); + id | COUNTRY_NAME | REGION_ID +----+--------------+----------- + 1 | India | 3 + 2 | Japan | 3 +(2 rows) + +SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id', "COUNTRY_NAME" text, "REGION_ID" int); + id | COUNTRY_NAME | REGION_ID +----+--------------+----------- + 4 | India | 3 + 5 | Japan | 3 +(2 rows) + +SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id'); + id +---- + 4 + 5 +(2 rows) + +SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id FOR ORDINALITY); + id +---- + 1 + 2 +(2 rows) + +SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id', "COUNTRY_NAME" text, "REGION_ID" int, rawdata xml PATH '.'); + id | COUNTRY_NAME | REGION_ID | rawdata +----+--------------+-----------+------------------------------------------------------------------ + 4 | India | 3 | + + | | | IN + + | | | India + + | | | 3 + + | | | + 5 | Japan | 3 | + + | | | JP + + | | | Japan + + | | | 3Sinzo Abe+ + | | | +(2 rows) + +SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id', "COUNTRY_NAME" text, "REGION_ID" int, rawdata xml PATH './*'); + id | COUNTRY_NAME | REGION_ID | rawdata +----+--------------+-----------+----------------------------------------------------------------------------------------------------------------------------- + 4 | India | 3 | INIndia3 + 5 | Japan | 3 | JPJapan3Sinzo Abe +(2 rows) + +SELECT * FROM xmltable('/root' passing 'a1aa2a bbbbxxxcccc' COLUMNS element text); + element +---------------------- + a1aa2a bbbbxxxcccc +(1 row) + +SELECT * FROM xmltable('/root' passing 'a1aa2a bbbbxxxcccc' COLUMNS element text PATH 'element/text()'); -- should fail +ERROR: more than one value returned by column XPath expression +-- CDATA test +select * from xmltable('d/r' passing ' &"<>!foo]]>2' columns c text); + c +------------------------- + &"<>!foo + 2 +(2 rows) + +-- XML builtin entities +SELECT * FROM xmltable('/x/a' PASSING ''"&<>' COLUMNS ent text); + ent +----- + ' + " + & + < + > +(5 rows) + +SELECT * FROM xmltable('/x/a' PASSING ''"&<>' COLUMNS ent xml); + ent +------------------ + ' + " + & + < + > +(5 rows) + +EXPLAIN (VERBOSE, COSTS OFF) +SELECT xmltable.* + FROM (SELECT data FROM xmldata) x, + LATERAL XMLTABLE('/ROWS/ROW' + PASSING data + COLUMNS id int PATH '@id', + _id FOR ORDINALITY, + country_name text PATH 'COUNTRY_NAME' NOT NULL, + country_id text PATH 'COUNTRY_ID', + region_id int PATH 'REGION_ID', + size float PATH 'SIZE', + unit text PATH 'SIZE/@unit', + premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); + QUERY PLAN +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + Nested Loop + Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name + -> Seq Scan on public.xmldata + Output: xmldata.data + -> Table Function Scan on "xmltable" + Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name + Table Function Call: XMLTABLE(('/ROWS/ROW'::text) PASSING (xmldata.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text)) +(7 rows) + +-- test qual +SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int) WHERE "COUNTRY_NAME" = 'Japan'; + COUNTRY_NAME | REGION_ID +--------------+----------- + Japan | 3 +(1 row) + +EXPLAIN (VERBOSE, COSTS OFF) +SELECT f.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int) AS f WHERE "COUNTRY_NAME" = 'Japan'; + QUERY PLAN +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + Nested Loop + Output: f."COUNTRY_NAME", f."REGION_ID" + -> Seq Scan on public.xmldata + Output: xmldata.data + -> Table Function Scan on "xmltable" f + Output: f."COUNTRY_NAME", f."REGION_ID" + Table Function Call: XMLTABLE(('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]'::text) PASSING (xmldata.data) COLUMNS "COUNTRY_NAME" text, "REGION_ID" integer) + Filter: (f."COUNTRY_NAME" = 'Japan'::text) +(8 rows) + +EXPLAIN (VERBOSE, FORMAT JSON, COSTS OFF) +SELECT f.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int) AS f WHERE "COUNTRY_NAME" = 'Japan'; + QUERY PLAN +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + [ + + { + + "Plan": { + + "Node Type": "Nested Loop", + + "Parallel Aware": false, + + "Async Capable": false, + + "Join Type": "Inner", + + "Disabled": false, + + "Output": ["f.\"COUNTRY_NAME\"", "f.\"REGION_ID\""], + + "Inner Unique": false, + + "Plans": [ + + { + + "Node Type": "Seq Scan", + + "Parent Relationship": "Outer", + + "Parallel Aware": false, + + "Async Capable": false, + + "Relation Name": "xmldata", + + "Schema": "public", + + "Alias": "xmldata", + + "Disabled": false, + + "Output": ["xmldata.data"] + + }, + + { + + "Node Type": "Table Function Scan", + + "Parent Relationship": "Inner", + + "Parallel Aware": false, + + "Async Capable": false, + + "Table Function Name": "xmltable", + + "Alias": "f", + + "Disabled": false, + + "Output": ["f.\"COUNTRY_NAME\"", "f.\"REGION_ID\""], + + "Table Function Call": "XMLTABLE(('/ROWS/ROW[COUNTRY_NAME=\"Japan\" or COUNTRY_NAME=\"India\"]'::text) PASSING (xmldata.data) COLUMNS \"COUNTRY_NAME\" text, \"REGION_ID\" integer)",+ + "Filter": "(f.\"COUNTRY_NAME\" = 'Japan'::text)" + + } + + ] + + } + + } + + ] +(1 row) + +-- should to work with more data +INSERT INTO xmldata VALUES(' + + CZ + Czech Republic + 2Milos Zeman + + + DE + Germany + 2 + + + FR + France + 2 + +'); +INSERT INTO xmldata VALUES(' + + EG + Egypt + 1 + + + SD + Sudan + 1 + +'); +SELECT xmltable.* + FROM (SELECT data FROM xmldata) x, + LATERAL XMLTABLE('/ROWS/ROW' + PASSING data + COLUMNS id int PATH '@id', + _id FOR ORDINALITY, + country_name text PATH 'COUNTRY_NAME' NOT NULL, + country_id text PATH 'COUNTRY_ID', + region_id int PATH 'REGION_ID', + size float PATH 'SIZE', + unit text PATH 'SIZE/@unit', + premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); + id | _id | country_name | country_id | region_id | size | unit | premier_name +----+-----+----------------+------------+-----------+------+------+--------------- + 1 | 1 | Australia | AU | 3 | | | not specified + 2 | 2 | China | CN | 3 | | | not specified + 3 | 3 | HongKong | HK | 3 | | | not specified + 4 | 4 | India | IN | 3 | | | not specified + 5 | 5 | Japan | JP | 3 | | | Sinzo Abe + 6 | 6 | Singapore | SG | 3 | 791 | km | not specified + 10 | 1 | Czech Republic | CZ | 2 | | | Milos Zeman + 11 | 2 | Germany | DE | 2 | | | not specified + 12 | 3 | France | FR | 2 | | | not specified + 20 | 1 | Egypt | EG | 1 | | | not specified + 21 | 2 | Sudan | SD | 1 | | | not specified +(11 rows) + +SELECT xmltable.* + FROM (SELECT data FROM xmldata) x, + LATERAL XMLTABLE('/ROWS/ROW' + PASSING data + COLUMNS id int PATH '@id', + _id FOR ORDINALITY, + country_name text PATH 'COUNTRY_NAME' NOT NULL, + country_id text PATH 'COUNTRY_ID', + region_id int PATH 'REGION_ID', + size float PATH 'SIZE', + unit text PATH 'SIZE/@unit', + premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified') + WHERE region_id = 2; + id | _id | country_name | country_id | region_id | size | unit | premier_name +----+-----+----------------+------------+-----------+------+------+--------------- + 10 | 1 | Czech Republic | CZ | 2 | | | Milos Zeman + 11 | 2 | Germany | DE | 2 | | | not specified + 12 | 3 | France | FR | 2 | | | not specified +(3 rows) + +EXPLAIN (VERBOSE, COSTS OFF) +SELECT xmltable.* + FROM (SELECT data FROM xmldata) x, + LATERAL XMLTABLE('/ROWS/ROW' + PASSING data + COLUMNS id int PATH '@id', + _id FOR ORDINALITY, + country_name text PATH 'COUNTRY_NAME' NOT NULL, + country_id text PATH 'COUNTRY_ID', + region_id int PATH 'REGION_ID', + size float PATH 'SIZE', + unit text PATH 'SIZE/@unit', + premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified') + WHERE region_id = 2; + QUERY PLAN +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + Nested Loop + Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name + -> Seq Scan on public.xmldata + Output: xmldata.data + -> Table Function Scan on "xmltable" + Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name + Table Function Call: XMLTABLE(('/ROWS/ROW'::text) PASSING (xmldata.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text)) + Filter: ("xmltable".region_id = 2) +(8 rows) + +-- should fail, NULL value +SELECT xmltable.* + FROM (SELECT data FROM xmldata) x, + LATERAL XMLTABLE('/ROWS/ROW' + PASSING data + COLUMNS id int PATH '@id', + _id FOR ORDINALITY, + country_name text PATH 'COUNTRY_NAME' NOT NULL, + country_id text PATH 'COUNTRY_ID', + region_id int PATH 'REGION_ID', + size float PATH 'SIZE' NOT NULL, + unit text PATH 'SIZE/@unit', + premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); +ERROR: null is not allowed in column "size" +-- if all is ok, then result is empty +-- one line xml test +WITH + x AS (SELECT proname, proowner, procost::numeric, pronargs, + array_to_string(proargnames,',') as proargnames, + case when proargtypes <> '' then array_to_string(proargtypes::oid[],',') end as proargtypes + FROM pg_proc WHERE proname = 'f_leak'), + y AS (SELECT xmlelement(name proc, + xmlforest(proname, proowner, + procost, pronargs, + proargnames, proargtypes)) as proc + FROM x), + z AS (SELECT xmltable.* + FROM y, + LATERAL xmltable('/proc' PASSING proc + COLUMNS proname name, + proowner oid, + procost float, + pronargs int, + proargnames text, + proargtypes text)) + SELECT * FROM z + EXCEPT SELECT * FROM x; + proname | proowner | procost | pronargs | proargnames | proargtypes +---------+----------+---------+----------+-------------+------------- +(0 rows) + +-- multi line xml test, result should be empty too +WITH + x AS (SELECT proname, proowner, procost::numeric, pronargs, + array_to_string(proargnames,',') as proargnames, + case when proargtypes <> '' then array_to_string(proargtypes::oid[],',') end as proargtypes + FROM pg_proc), + y AS (SELECT xmlelement(name data, + xmlagg(xmlelement(name proc, + xmlforest(proname, proowner, procost, + pronargs, proargnames, proargtypes)))) as doc + FROM x), + z AS (SELECT xmltable.* + FROM y, + LATERAL xmltable('/data/proc' PASSING doc + COLUMNS proname name, + proowner oid, + procost float, + pronargs int, + proargnames text, + proargtypes text)) + SELECT * FROM z + EXCEPT SELECT * FROM x; + proname | proowner | procost | pronargs | proargnames | proargtypes +---------+----------+---------+----------+-------------+------------- +(0 rows) + +CREATE TABLE xmltest2(x xml, _path text); +INSERT INTO xmltest2 VALUES('1', 'A'); +INSERT INTO xmltest2 VALUES('2', 'B'); +INSERT INTO xmltest2 VALUES('3', 'C'); +INSERT INTO xmltest2 VALUES('2', 'D'); +SELECT xmltable.* FROM xmltest2, LATERAL xmltable('/d/r' PASSING x COLUMNS a int PATH '' || lower(_path) || 'c'); + a +--- + 1 + 2 + 3 + 2 +(4 rows) + +SELECT xmltable.* FROM xmltest2, LATERAL xmltable(('/d/r/' || lower(_path) || 'c') PASSING x COLUMNS a int PATH '.'); + a +--- + 1 + 2 + 3 + 2 +(4 rows) + +SELECT xmltable.* FROM xmltest2, LATERAL xmltable(('/d/r/' || lower(_path) || 'c') PASSING x COLUMNS a int PATH 'x' DEFAULT ascii(_path) - 54); + a +---- + 11 + 12 + 13 + 14 +(4 rows) + +-- XPath result can be boolean or number too +SELECT * FROM XMLTABLE('*' PASSING 'a' COLUMNS a xml PATH '.', b text PATH '.', c text PATH '"hi"', d boolean PATH '. = "a"', e integer PATH 'string-length(.)'); + a | b | c | d | e +----------+---+----+---+--- + a | a | hi | t | 1 +(1 row) + +\x +SELECT * FROM XMLTABLE('*' PASSING 'pre&deeppost' COLUMNS x xml PATH '/e/n2', y xml PATH '/'); +-[ RECORD 1 ]----------------------------------------------------------- +x | &deep +y | pre&deeppost+ + | + +\x +SELECT * FROM XMLTABLE('.' PASSING XMLELEMENT(NAME a) columns a varchar(20) PATH '""', b xml PATH '""'); + a | b +--------+-------------- + | <foo/> +(1 row) + +SELECT xmltext(NULL); + xmltext +--------- + +(1 row) + +SELECT xmltext(''); + xmltext +--------- + +(1 row) + +SELECT xmltext(' '); + xmltext +--------- + +(1 row) + +SELECT xmltext('foo `$_-+?=*^%!|/\()[]{}'); + xmltext +-------------------------- + foo `$_-+?=*^%!|/\()[]{} +(1 row) + +SELECT xmltext('foo & <"bar">'); + xmltext +----------------------------------- + foo & <"bar"> +(1 row) + +SELECT xmltext('x'|| '

73

'::xml || .42 || true || 'j'::char); + xmltext +--------------------------------- + x<P>73</P>0.42truej +(1 row) + +CREATE XMLSCHEMA person_schema AS ' + + + + + + + + + +'; +CREATE XMLSCHEMA IF NOT EXISTS person_schema AS ' + + +'; +NOTICE: XML schema "person_schema" already exists, skipping +CREATE XMLSCHEMA person_schema AS ' + + +'; +ERROR: XML schema "person_schema" already exists +CREATE SCHEMA test_xmlschema_ns; +CREATE XMLSCHEMA test_xmlschema_ns.product_schema AS ' + + + + + + + + + + +'; +CREATE XMLSCHEMA bad_schema AS ''; +ERROR: invalid XML schema definition +DETAIL: line 1: Premature end of data in tag this-is-not-valid-xsd line 1 + + ^ +CREATE XMLSCHEMA bad_xml_schema AS 'not even xml'; +ERROR: invalid XML schema definition +DETAIL: line 1: Start tag expected, '<' not found +not even xml +^ +CREATE XMLSCHEMA book_schema AS ' + + + + + + + + + + + + + + + + + + +'; +SELECT XMLVALIDATE(DOCUMENT 'John30' + ACCORDING TO XMLSCHEMA person_schema); + xmlvalidate +------------------------------------------------- + John30 +(1 row) + +SELECT XMLVALIDATE(DOCUMENT 'Widget9.99' + ACCORDING TO XMLSCHEMA test_xmlschema_ns.product_schema); + xmlvalidate +--------------------------------------------------------------------- + Widget9.99 +(1 row) + +SELECT XMLVALIDATE(DOCUMENT + ' + PostgreSQL Internals + JohnTitor + Jane + 2024 + ' + ACCORDING TO XMLSCHEMA book_schema); +ERROR: XML validation failed +SELECT XMLSERIALIZE(DOCUMENT + XMLVALIDATE(DOCUMENT 'Alice25' + ACCORDING TO XMLSCHEMA person_schema) AS text); + xmlserialize +-------------------------------------------------- + Alice25 +(1 row) + +SELECT XMLVALIDATE(DOCUMENT NULL ACCORDING TO XMLSCHEMA person_schema); + xmlvalidate +------------- + +(1 row) + +SELECT XMLVALIDATE(DOCUMENT NULL ACCORDING TO XMLSCHEMA person_schema) IS NULL AS is_null; + is_null +--------- + t +(1 row) + +SELECT XMLVALIDATE(DOCUMENT 'John' + ACCORDING TO XMLSCHEMA person_schema); +ERROR: XML validation failed +SELECT XMLVALIDATE(DOCUMENT 'Johnnot-a-number' + ACCORDING TO XMLSCHEMA person_schema); +ERROR: XML validation failed +SELECT XMLVALIDATE(DOCUMENT 'Widget9.99' + ACCORDING TO XMLSCHEMA test_xmlschema_ns.product_schema); +ERROR: XML validation failed +SELECT XMLVALIDATE(DOCUMENT 'John30data' + ACCORDING TO XMLSCHEMA person_schema); +ERROR: XML validation failed +SELECT XMLVALIDATE(DOCUMENT 'John30' + ACCORDING TO XMLSCHEMA person_schema); +ERROR: XML validation failed +SELECT XMLVALIDATE(DOCUMENT 'value' + ACCORDING TO XMLSCHEMA nonexistent_schema); +ERROR: XML schema "nonexistent_schema" does not exist +CREATE VIEW validated_people AS + SELECT XMLVALIDATE(DOCUMENT data ACCORDING TO XMLSCHEMA person_schema) AS validated_xml + FROM xmltest WHERE id = 1; +SELECT pg_get_viewdef('validated_people'::regclass, true); + pg_get_viewdef +------------------------------------------------------------------------------------------ + SELECT XMLVALIDATE(DOCUMENT data ACCORDING TO XMLSCHEMA person_schema) AS validated_xml+ + FROM xmltest + + WHERE id = 1; +(1 row) + +DROP VIEW validated_people; +CREATE VIEW validated_products AS + SELECT XMLVALIDATE(DOCUMENT 'Test1.99' + ACCORDING TO XMLSCHEMA test_xmlschema_ns.product_schema) AS validated_xml; +SELECT pg_get_viewdef('validated_products'::regclass, true); + pg_get_viewdef +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + SELECT XMLVALIDATE(DOCUMENT 'Test1.99'::xml ACCORDING TO XMLSCHEMA test_xmlschema_ns.product_schema) AS validated_xml; +(1 row) + +DROP VIEW validated_products; +ALTER XMLSCHEMA book_schema RENAME TO library_book_schema; +SELECT XMLVALIDATE(DOCUMENT 'TestAB2024' + ACCORDING TO XMLSCHEMA book_schema); +ERROR: XML schema "book_schema" does not exist +SELECT XMLVALIDATE(DOCUMENT 'TestAB2024' + ACCORDING TO XMLSCHEMA library_book_schema); + xmlvalidate +----------------------------------------------------------------------------------------------------------------------------- + TestAB2024 +(1 row) + +ALTER XMLSCHEMA library_book_schema SET SCHEMA test_xmlschema_ns; +SELECT XMLVALIDATE(DOCUMENT 'TestAB2024' + ACCORDING TO XMLSCHEMA library_book_schema); +ERROR: XML schema "library_book_schema" does not exist +SELECT XMLVALIDATE(DOCUMENT 'TestAB2024' + ACCORDING TO XMLSCHEMA test_xmlschema_ns.library_book_schema); + xmlvalidate +----------------------------------------------------------------------------------------------------------------------------- + TestAB2024 +(1 row) + +CREATE ROLE regress_xmlschema_test_role; +ALTER XMLSCHEMA test_xmlschema_ns.library_book_schema OWNER TO regress_xmlschema_test_role; +SELECT schemaname, schemanamespace::regnamespace, schemaowner::regrole +FROM pg_xmlschema +WHERE schemaname = 'library_book_schema'; + schemaname | schemanamespace | schemaowner +---------------------+-------------------+--------------------- + library_book_schema | test_xmlschema_ns | regress_xmlschema_test_role +(1 row) + +CREATE VIEW book_view AS + SELECT XMLVALIDATE(DOCUMENT 'Dep TestXY2025' + ACCORDING TO XMLSCHEMA test_xmlschema_ns.library_book_schema) AS validated_book; +DROP XMLSCHEMA test_xmlschema_ns.library_book_schema; +ERROR: cannot drop XML schema test_xmlschema_ns.library_book_schema because other objects depend on it +DETAIL: view book_view depends on XML schema test_xmlschema_ns.library_book_schema +HINT: Use DROP ... CASCADE to drop the dependent objects too. +DROP XMLSCHEMA test_xmlschema_ns.library_book_schema CASCADE; +NOTICE: drop cascades to view book_view +SELECT * FROM book_view; +ERROR: relation "book_view" does not exist +LINE 1: SELECT * FROM book_view; + ^ +DROP XMLSCHEMA person_schema; +DROP XMLSCHEMA IF EXISTS person_schema; +NOTICE: XML schema "person_schema" does not exist, skipping +DROP XMLSCHEMA person_schema; +ERROR: XML schema "person_schema" does not exist +DROP XMLSCHEMA test_xmlschema_ns.product_schema; +SET ROLE regress_xmlschema_test_role; +CREATE XMLSCHEMA public.should_fail_schema AS ' + + +'; +RESET ROLE; +GRANT CREATE ON SCHEMA test_xmlschema_ns TO regress_xmlschema_test_role; +SET ROLE regress_xmlschema_test_role; +CREATE XMLSCHEMA test_xmlschema_ns.role_schema AS ' + + +'; +RESET ROLE; +DROP XMLSCHEMA test_xmlschema_ns.role_schema; +DROP ROLE regress_xmlschema_test_role; +ERROR: role "regress_xmlschema_test_role" cannot be dropped because some objects depend on it +DETAIL: privileges for schema test_xmlschema_ns +owner of XML schema public.should_fail_schema +DROP SCHEMA test_xmlschema_ns CASCADE; +CREATE ROLE regress_xmlschema_user1; +CREATE ROLE regress_xmlschema_user2; +CREATE XMLSCHEMA permission_test_schema AS ' + + +'; +SET ROLE regress_xmlschema_user1; +SELECT XMLVALIDATE(DOCUMENT 'data' + ACCORDING TO XMLSCHEMA permission_test_schema); +ERROR: permission denied for XML schema permission_test_schema +RESET ROLE; +GRANT USAGE ON XMLSCHEMA permission_test_schema TO regress_xmlschema_user1; +SET ROLE regress_xmlschema_user1; +SELECT XMLVALIDATE(DOCUMENT 'data' + ACCORDING TO XMLSCHEMA permission_test_schema); + xmlvalidate +------------------- + data +(1 row) + +RESET ROLE; +SET ROLE regress_xmlschema_user2; +SELECT XMLVALIDATE(DOCUMENT 'data' + ACCORDING TO XMLSCHEMA permission_test_schema); +ERROR: permission denied for XML schema permission_test_schema +RESET ROLE; +GRANT USAGE ON XMLSCHEMA permission_test_schema TO regress_xmlschema_user2; +SET ROLE regress_xmlschema_user2; +SELECT XMLVALIDATE(DOCUMENT 'data' + ACCORDING TO XMLSCHEMA permission_test_schema); + xmlvalidate +------------------- + data +(1 row) + +RESET ROLE; +REVOKE USAGE ON XMLSCHEMA permission_test_schema FROM regress_xmlschema_user1; +SET ROLE regress_xmlschema_user1; +SELECT XMLVALIDATE(DOCUMENT 'data' + ACCORDING TO XMLSCHEMA permission_test_schema); +ERROR: permission denied for XML schema permission_test_schema +RESET ROLE; +DROP XMLSCHEMA permission_test_schema; +DROP ROLE regress_xmlschema_user1; +DROP ROLE regress_xmlschema_user2; +CREATE TABLE validated_xml_data ( + id serial PRIMARY KEY, + data xml +); +CREATE XMLSCHEMA data_schema AS ' + + + + + + + + +'; +INSERT INTO validated_xml_data (data) +VALUES (XMLVALIDATE(DOCUMENT '42' + ACCORDING TO XMLSCHEMA data_schema)); +INSERT INTO validated_xml_data (data) +VALUES (XMLVALIDATE(DOCUMENT '100' + ACCORDING TO XMLSCHEMA data_schema)); +SELECT id, data FROM validated_xml_data ORDER BY id; + id | data +----+--------------------------------- + 1 | 42 + 2 | 100 +(2 rows) + +INSERT INTO validated_xml_data (data) +VALUES (XMLVALIDATE(DOCUMENT 'not-an-int' + ACCORDING TO XMLSCHEMA data_schema)); +ERROR: XML validation failed +DROP TABLE validated_xml_data; +DROP XMLSCHEMA data_schema; +DROP XMLSCHEMA should_fail_schema; +DROP ROLE regress_xmlschema_test_role; diff --git a/src/test/regress/expected/xml_2.out b/src/test/regress/expected/xml_2.out index a85d95358d9..488560a86e8 100644 --- a/src/test/regress/expected/xml_2.out +++ b/src/test/regress/expected/xml_2.out @@ -9,6 +9,8 @@ ERROR: invalid XML content LINE 1: INSERT INTO xmltest VALUES (3, '', NULL, ''); xmlconcat -------------- @@ -273,6 +277,8 @@ DETAIL: line 1: Entity 'idontexist' not defined &idontexist; ^ line 1: Opening and ending tag mismatch: twoerrors line 1 and unbalanced +&idontexist; + ^ SELECT xmlparse(content ''); xmlparse --------------------- @@ -282,6 +288,8 @@ SELECT xmlparse(content ''); SELECT xmlparse(document ' '); ERROR: invalid XML document DETAIL: line 1: Start tag expected, '<' not found + + ^ SELECT xmlparse(document 'abc'); ERROR: invalid XML document DETAIL: line 1: Start tag expected, '<' not found @@ -299,12 +307,16 @@ DETAIL: line 1: xmlParseEntityRef: no name & ^ line 1: Opening and ending tag mismatch: invalidentity line 1 and abc +& + ^ SELECT xmlparse(document '&idontexist;'); ERROR: invalid XML document DETAIL: line 1: Entity 'idontexist' not defined &idontexist; ^ line 1: Opening and ending tag mismatch: undefinedentity line 1 and abc +&idontexist; + ^ SELECT xmlparse(document ''); xmlparse --------------------------- @@ -323,6 +335,8 @@ DETAIL: line 1: Entity 'idontexist' not defined &idontexist; ^ line 1: Opening and ending tag mismatch: twoerrors line 1 and unbalanced +&idontexist; + ^ SELECT xmlparse(document ''); xmlparse --------------------- @@ -1867,3 +1881,302 @@ SELECT xmltext('x'|| '

73

'::xml || .42 || true || 'j'::char); x<P>73</P>0.42truej (1 row) +CREATE XMLSCHEMA person_schema AS ' + + + + + + + + + +'; +CREATE XMLSCHEMA IF NOT EXISTS person_schema AS ' + + +'; +NOTICE: XML schema "person_schema" already exists, skipping +CREATE XMLSCHEMA person_schema AS ' + + +'; +ERROR: XML schema "person_schema" already exists +CREATE SCHEMA test_xmlschema_ns; +CREATE XMLSCHEMA test_xmlschema_ns.product_schema AS ' + + + + + + + + + + +'; +CREATE XMLSCHEMA bad_schema AS ''; +ERROR: invalid XML content +LINE 1: CREATE XMLSCHEMA bad_schema AS ''; + ^ +DETAIL: line 1: Premature end of data in tag this-is-not-valid-xsd line 1 + + ^ +CREATE XMLSCHEMA bad_xml_schema AS 'not even xml'; +ERROR: invalid XML schema definition +DETAIL: line 1: Start tag expected, '<' not found +not even xml +^ +CREATE XMLSCHEMA book_schema AS ' + + + + + + + + + + + + + + + + + + +'; +SELECT XMLVALIDATE(DOCUMENT 'John30' + ACCORDING TO XMLSCHEMA person_schema); + xmlvalidate +------------------------------------------------- + John30 +(1 row) + +SELECT XMLVALIDATE(DOCUMENT 'Widget9.99' + ACCORDING TO XMLSCHEMA test_xmlschema_ns.product_schema); + xmlvalidate +--------------------------------------------------------------------- + Widget9.99 +(1 row) + +SELECT XMLVALIDATE(DOCUMENT + ' + PostgreSQL Internals + JohnTitor + Jane + 2024 + ' + ACCORDING TO XMLSCHEMA book_schema); +ERROR: XML validation failed +SELECT XMLSERIALIZE(DOCUMENT + XMLVALIDATE(DOCUMENT 'Alice25' + ACCORDING TO XMLSCHEMA person_schema) AS text); + xmlserialize +-------------------------------------------------- + Alice25 +(1 row) + +SELECT XMLVALIDATE(DOCUMENT NULL ACCORDING TO XMLSCHEMA person_schema); + xmlvalidate +------------- + +(1 row) + +SELECT XMLVALIDATE(DOCUMENT NULL ACCORDING TO XMLSCHEMA person_schema) IS NULL AS is_null; + is_null +--------- + t +(1 row) + +SELECT XMLVALIDATE(DOCUMENT 'John' + ACCORDING TO XMLSCHEMA person_schema); +ERROR: XML validation failed +SELECT XMLVALIDATE(DOCUMENT 'Johnnot-a-number' + ACCORDING TO XMLSCHEMA person_schema); +ERROR: XML validation failed +SELECT XMLVALIDATE(DOCUMENT 'Widget9.99' + ACCORDING TO XMLSCHEMA test_xmlschema_ns.product_schema); +ERROR: XML validation failed +SELECT XMLVALIDATE(DOCUMENT 'John30data' + ACCORDING TO XMLSCHEMA person_schema); +ERROR: XML validation failed +SELECT XMLVALIDATE(DOCUMENT 'John30' + ACCORDING TO XMLSCHEMA person_schema); +ERROR: XML validation failed +SELECT XMLVALIDATE(DOCUMENT 'value' + ACCORDING TO XMLSCHEMA nonexistent_schema); +ERROR: XML schema "nonexistent_schema" does not exist +CREATE VIEW validated_people AS + SELECT XMLVALIDATE(DOCUMENT data ACCORDING TO XMLSCHEMA person_schema) AS validated_xml + FROM xmltest WHERE id = 1; +SELECT pg_get_viewdef('validated_people'::regclass, true); + pg_get_viewdef +------------------------------------------------------------------------------------------ + SELECT XMLVALIDATE(DOCUMENT data ACCORDING TO XMLSCHEMA person_schema) AS validated_xml+ + FROM xmltest + + WHERE id = 1; +(1 row) + +DROP VIEW validated_people; +CREATE VIEW validated_products AS + SELECT XMLVALIDATE(DOCUMENT 'Test1.99' + ACCORDING TO XMLSCHEMA test_xmlschema_ns.product_schema) AS validated_xml; +SELECT pg_get_viewdef('validated_products'::regclass, true); + pg_get_viewdef +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + SELECT XMLVALIDATE(DOCUMENT 'Test1.99'::xml ACCORDING TO XMLSCHEMA test_xmlschema_ns.product_schema) AS validated_xml; +(1 row) + +DROP VIEW validated_products; +ALTER XMLSCHEMA book_schema RENAME TO library_book_schema; +SELECT XMLVALIDATE(DOCUMENT 'TestAB2024' + ACCORDING TO XMLSCHEMA book_schema); +ERROR: XML schema "book_schema" does not exist +SELECT XMLVALIDATE(DOCUMENT 'TestAB2024' + ACCORDING TO XMLSCHEMA library_book_schema); + xmlvalidate +----------------------------------------------------------------------------------------------------------------------------- + TestAB2024 +(1 row) + +ALTER XMLSCHEMA library_book_schema SET SCHEMA test_xmlschema_ns; +SELECT XMLVALIDATE(DOCUMENT 'TestAB2024' + ACCORDING TO XMLSCHEMA library_book_schema); +ERROR: XML schema "library_book_schema" does not exist +SELECT XMLVALIDATE(DOCUMENT 'TestAB2024' + ACCORDING TO XMLSCHEMA test_xmlschema_ns.library_book_schema); + xmlvalidate +----------------------------------------------------------------------------------------------------------------------------- + TestAB2024 +(1 row) + +CREATE ROLE regress_xmlschema_test_role; +ALTER XMLSCHEMA test_xmlschema_ns.library_book_schema OWNER TO regress_xmlschema_test_role; +SELECT schemaname, schemanamespace::regnamespace, schemaowner::regrole +FROM pg_xmlschema +WHERE schemaname = 'library_book_schema'; + schemaname | schemanamespace | schemaowner +---------------------+-------------------+----------------------------- + library_book_schema | test_xmlschema_ns | regress_xmlschema_test_role +(1 row) + +CREATE VIEW book_view AS + SELECT XMLVALIDATE(DOCUMENT 'Dep TestXY2025' + ACCORDING TO XMLSCHEMA test_xmlschema_ns.library_book_schema) AS validated_book; +DROP XMLSCHEMA test_xmlschema_ns.library_book_schema; +ERROR: cannot drop XML schema test_xmlschema_ns.library_book_schema because other objects depend on it +DETAIL: view book_view depends on XML schema test_xmlschema_ns.library_book_schema +HINT: Use DROP ... CASCADE to drop the dependent objects too. +DROP XMLSCHEMA test_xmlschema_ns.library_book_schema CASCADE; +NOTICE: drop cascades to view book_view +SELECT * FROM book_view; +ERROR: relation "book_view" does not exist +LINE 1: SELECT * FROM book_view; + ^ +DROP XMLSCHEMA person_schema; +DROP XMLSCHEMA IF EXISTS person_schema; +NOTICE: XML schema "person_schema" does not exist, skipping +DROP XMLSCHEMA person_schema; +ERROR: XML schema "person_schema" does not exist +DROP XMLSCHEMA test_xmlschema_ns.product_schema; +SET ROLE regress_xmlschema_test_role; +CREATE XMLSCHEMA public.should_fail_schema AS ' + + +'; +RESET ROLE; +GRANT CREATE ON SCHEMA test_xmlschema_ns TO regress_xmlschema_test_role; +SET ROLE regress_xmlschema_test_role; +CREATE XMLSCHEMA test_xmlschema_ns.role_schema AS ' + + +'; +RESET ROLE; +DROP XMLSCHEMA test_xmlschema_ns.role_schema; +DROP ROLE regress_xmlschema_test_role; +ERROR: role "regress_xmlschema_test_role" cannot be dropped because some objects depend on it +DETAIL: privileges for schema test_xmlschema_ns +owner of XML schema public.should_fail_schema +DROP SCHEMA test_xmlschema_ns CASCADE; +CREATE ROLE regress_xmlschema_user1; +CREATE ROLE regress_xmlschema_user2; +CREATE XMLSCHEMA permission_test_schema AS ' + + +'; +SET ROLE regress_xmlschema_user1; +SELECT XMLVALIDATE(DOCUMENT 'data' + ACCORDING TO XMLSCHEMA permission_test_schema); +ERROR: permission denied for XML schema permission_test_schema +RESET ROLE; +GRANT USAGE ON XMLSCHEMA permission_test_schema TO regress_xmlschema_user1; +SET ROLE regress_xmlschema_user1; +SELECT XMLVALIDATE(DOCUMENT 'data' + ACCORDING TO XMLSCHEMA permission_test_schema); + xmlvalidate +------------------- + data +(1 row) + +RESET ROLE; +SET ROLE regress_xmlschema_user2; +SELECT XMLVALIDATE(DOCUMENT 'data' + ACCORDING TO XMLSCHEMA permission_test_schema); +ERROR: permission denied for XML schema permission_test_schema +RESET ROLE; +GRANT USAGE ON XMLSCHEMA permission_test_schema TO regress_xmlschema_user2; +SET ROLE regress_xmlschema_user2; +SELECT XMLVALIDATE(DOCUMENT 'data' + ACCORDING TO XMLSCHEMA permission_test_schema); + xmlvalidate +------------------- + data +(1 row) + +RESET ROLE; +REVOKE USAGE ON XMLSCHEMA permission_test_schema FROM regress_xmlschema_user1; +SET ROLE regress_xmlschema_user1; +SELECT XMLVALIDATE(DOCUMENT 'data' + ACCORDING TO XMLSCHEMA permission_test_schema); +ERROR: permission denied for XML schema permission_test_schema +RESET ROLE; +DROP XMLSCHEMA permission_test_schema; +DROP ROLE regress_xmlschema_user1; +DROP ROLE regress_xmlschema_user2; +CREATE TABLE validated_xml_data ( + id serial PRIMARY KEY, + data xml +); +CREATE XMLSCHEMA data_schema AS ' + + + + + + + + +'; +INSERT INTO validated_xml_data (data) +VALUES (XMLVALIDATE(DOCUMENT '42' + ACCORDING TO XMLSCHEMA data_schema)); +INSERT INTO validated_xml_data (data) +VALUES (XMLVALIDATE(DOCUMENT '100' + ACCORDING TO XMLSCHEMA data_schema)); +SELECT id, data FROM validated_xml_data ORDER BY id; + id | data +----+--------------------------------- + 1 | 42 + 2 | 100 +(2 rows) + +INSERT INTO validated_xml_data (data) +VALUES (XMLVALIDATE(DOCUMENT 'not-an-int' + ACCORDING TO XMLSCHEMA data_schema)); +ERROR: XML validation failed +DROP TABLE validated_xml_data; +DROP XMLSCHEMA data_schema; +DROP XMLSCHEMA should_fail_schema; +DROP ROLE regress_xmlschema_test_role; diff --git a/src/test/regress/pg_regress.c b/src/test/regress/pg_regress.c index b5c0cb647a8..7e9032b5ec6 100644 --- a/src/test/regress/pg_regress.c +++ b/src/test/regress/pg_regress.c @@ -1232,7 +1232,7 @@ spawn_process(const char *cmdline) char *cmdline2; cmdline2 = psprintf("exec %s", cmdline); - execl(shellprog, shellprog, "-c", cmdline2, (char *) NULL); + execlp(shellprog, shellprog, "-c", cmdline2, (char *) NULL); /* Not using the normal bail() here as we want _exit */ bail_noatexit("could not exec \"%s\": %m", shellprog); } diff --git a/src/test/regress/sql/xml.sql b/src/test/regress/sql/xml.sql index 0ea4f508837..b60cdcf4738 100644 --- a/src/test/regress/sql/xml.sql +++ b/src/test/regress/sql/xml.sql @@ -679,3 +679,277 @@ SELECT xmltext(' '); SELECT xmltext('foo `$_-+?=*^%!|/\()[]{}'); SELECT xmltext('foo & <"bar">'); SELECT xmltext('x'|| '

73

'::xml || .42 || true || 'j'::char); + +CREATE XMLSCHEMA person_schema AS ' + + + + + + + + + +'; + + +CREATE XMLSCHEMA IF NOT EXISTS person_schema AS ' + + +'; + +CREATE XMLSCHEMA person_schema AS ' + + +'; + +CREATE SCHEMA test_xmlschema_ns; + +CREATE XMLSCHEMA test_xmlschema_ns.product_schema AS ' + + + + + + + + + + +'; + +CREATE XMLSCHEMA bad_schema AS ''; + +CREATE XMLSCHEMA bad_xml_schema AS 'not even xml'; + +CREATE XMLSCHEMA book_schema AS ' + + + + + + + + + + + + + + + + + + +'; + +SELECT XMLVALIDATE(DOCUMENT 'John30' + ACCORDING TO XMLSCHEMA person_schema); + +SELECT XMLVALIDATE(DOCUMENT 'Widget9.99' + ACCORDING TO XMLSCHEMA test_xmlschema_ns.product_schema); + +SELECT XMLVALIDATE(DOCUMENT + ' + PostgreSQL Internals + JohnTitor + Jane + 2024 + ' + ACCORDING TO XMLSCHEMA book_schema); + +SELECT XMLSERIALIZE(DOCUMENT + XMLVALIDATE(DOCUMENT 'Alice25' + ACCORDING TO XMLSCHEMA person_schema) AS text); + +SELECT XMLVALIDATE(DOCUMENT NULL ACCORDING TO XMLSCHEMA person_schema); + +SELECT XMLVALIDATE(DOCUMENT NULL ACCORDING TO XMLSCHEMA person_schema) IS NULL AS is_null; + +SELECT XMLVALIDATE(DOCUMENT 'John' + ACCORDING TO XMLSCHEMA person_schema); + +SELECT XMLVALIDATE(DOCUMENT 'Johnnot-a-number' + ACCORDING TO XMLSCHEMA person_schema); + +SELECT XMLVALIDATE(DOCUMENT 'Widget9.99' + ACCORDING TO XMLSCHEMA test_xmlschema_ns.product_schema); + +SELECT XMLVALIDATE(DOCUMENT 'John30data' + ACCORDING TO XMLSCHEMA person_schema); + +SELECT XMLVALIDATE(DOCUMENT 'John30' + ACCORDING TO XMLSCHEMA person_schema); + +SELECT XMLVALIDATE(DOCUMENT 'value' + ACCORDING TO XMLSCHEMA nonexistent_schema); + +CREATE VIEW validated_people AS + SELECT XMLVALIDATE(DOCUMENT data ACCORDING TO XMLSCHEMA person_schema) AS validated_xml + FROM xmltest WHERE id = 1; + +SELECT pg_get_viewdef('validated_people'::regclass, true); + +DROP VIEW validated_people; + +CREATE VIEW validated_products AS + SELECT XMLVALIDATE(DOCUMENT 'Test1.99' + ACCORDING TO XMLSCHEMA test_xmlschema_ns.product_schema) AS validated_xml; + +SELECT pg_get_viewdef('validated_products'::regclass, true); + +DROP VIEW validated_products; + +ALTER XMLSCHEMA book_schema RENAME TO library_book_schema; + +SELECT XMLVALIDATE(DOCUMENT 'TestAB2024' + ACCORDING TO XMLSCHEMA book_schema); + +SELECT XMLVALIDATE(DOCUMENT 'TestAB2024' + ACCORDING TO XMLSCHEMA library_book_schema); + +ALTER XMLSCHEMA library_book_schema SET SCHEMA test_xmlschema_ns; + +SELECT XMLVALIDATE(DOCUMENT 'TestAB2024' + ACCORDING TO XMLSCHEMA library_book_schema); + +SELECT XMLVALIDATE(DOCUMENT 'TestAB2024' + ACCORDING TO XMLSCHEMA test_xmlschema_ns.library_book_schema); + +CREATE ROLE regress_xmlschema_test_role; + +ALTER XMLSCHEMA test_xmlschema_ns.library_book_schema OWNER TO regress_xmlschema_test_role; + +SELECT schemaname, schemanamespace::regnamespace, schemaowner::regrole +FROM pg_xmlschema +WHERE schemaname = 'library_book_schema'; + +CREATE VIEW book_view AS + SELECT XMLVALIDATE(DOCUMENT 'Dep TestXY2025' + ACCORDING TO XMLSCHEMA test_xmlschema_ns.library_book_schema) AS validated_book; + +DROP XMLSCHEMA test_xmlschema_ns.library_book_schema; + +DROP XMLSCHEMA test_xmlschema_ns.library_book_schema CASCADE; + +SELECT * FROM book_view; + +DROP XMLSCHEMA person_schema; + +DROP XMLSCHEMA IF EXISTS person_schema; + +DROP XMLSCHEMA person_schema; + +DROP XMLSCHEMA test_xmlschema_ns.product_schema; + +SET ROLE regress_xmlschema_test_role; + +CREATE XMLSCHEMA public.should_fail_schema AS ' + + +'; + +RESET ROLE; + +GRANT CREATE ON SCHEMA test_xmlschema_ns TO regress_xmlschema_test_role; + +SET ROLE regress_xmlschema_test_role; + +CREATE XMLSCHEMA test_xmlschema_ns.role_schema AS ' + + +'; + +RESET ROLE; + +DROP XMLSCHEMA test_xmlschema_ns.role_schema; + +DROP ROLE regress_xmlschema_test_role; + +DROP SCHEMA test_xmlschema_ns CASCADE; + +CREATE ROLE regress_xmlschema_user1; +CREATE ROLE regress_xmlschema_user2; + +CREATE XMLSCHEMA permission_test_schema AS ' + + +'; + +SET ROLE regress_xmlschema_user1; +SELECT XMLVALIDATE(DOCUMENT 'data' + ACCORDING TO XMLSCHEMA permission_test_schema); + +RESET ROLE; + +GRANT USAGE ON XMLSCHEMA permission_test_schema TO regress_xmlschema_user1; + +SET ROLE regress_xmlschema_user1; +SELECT XMLVALIDATE(DOCUMENT 'data' + ACCORDING TO XMLSCHEMA permission_test_schema); + +RESET ROLE; + +SET ROLE regress_xmlschema_user2; +SELECT XMLVALIDATE(DOCUMENT 'data' + ACCORDING TO XMLSCHEMA permission_test_schema); + +RESET ROLE; + +GRANT USAGE ON XMLSCHEMA permission_test_schema TO regress_xmlschema_user2; + +SET ROLE regress_xmlschema_user2; +SELECT XMLVALIDATE(DOCUMENT 'data' + ACCORDING TO XMLSCHEMA permission_test_schema); + +RESET ROLE; + +REVOKE USAGE ON XMLSCHEMA permission_test_schema FROM regress_xmlschema_user1; + +SET ROLE regress_xmlschema_user1; +SELECT XMLVALIDATE(DOCUMENT 'data' + ACCORDING TO XMLSCHEMA permission_test_schema); + +RESET ROLE; + +DROP XMLSCHEMA permission_test_schema; +DROP ROLE regress_xmlschema_user1; +DROP ROLE regress_xmlschema_user2; + +CREATE TABLE validated_xml_data ( + id serial PRIMARY KEY, + data xml +); + +CREATE XMLSCHEMA data_schema AS ' + + + + + + + + +'; + +INSERT INTO validated_xml_data (data) +VALUES (XMLVALIDATE(DOCUMENT '42' + ACCORDING TO XMLSCHEMA data_schema)); + +INSERT INTO validated_xml_data (data) +VALUES (XMLVALIDATE(DOCUMENT '100' + ACCORDING TO XMLSCHEMA data_schema)); + +SELECT id, data FROM validated_xml_data ORDER BY id; + +INSERT INTO validated_xml_data (data) +VALUES (XMLVALIDATE(DOCUMENT 'not-an-int' + ACCORDING TO XMLSCHEMA data_schema)); + +DROP TABLE validated_xml_data; + +DROP XMLSCHEMA data_schema; + +DROP XMLSCHEMA should_fail_schema; + +DROP ROLE regress_xmlschema_test_role; -- 2.51.2